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11231130111200 = 255263232220293
BaseRepresentation
bin1010001101101111001110…
…0001010100110011100000
31110202200111202201212022022
42203123303201110303200
52433002323302024300
635515302052001012
72236264605543116
oct243336341246340
943680452655268
1011231130111200
11364010617543a
121314802900168
13636124c9c76c
142ab837bdbab6
15147232a8a285
hexa36f3854ce0

11231130111200 has 72 divisors (see below), whose sum is σ = 27422344966968. Its totient is φ = 4491739527680.

The previous prime is 11231130111167. The next prime is 11231130111203. The reversal of 11231130111200 is 211103113211.

It is a super-2 number, since 2×112311301112002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231130111203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3948254 + ... + 6168546.

It is an arithmetic number, because the mean of its divisors is an integer number (380865902319).

Almost surely, 211231130111200 is an apocalyptic number.

11231130111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231130111200 is an abundant number, since it is smaller than the sum of its proper divisors (16191214855768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231130111200 is a wasteful number, since it uses less digits than its factorization.

11231130111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226636 (or 2226623 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11231130111200 its reverse (211103113211), we get a palindrome (11442233224411).

The spelling of 11231130111200 in words is "eleven trillion, two hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 6323 12646 25292 31615 50584 63230 101168 126460 158075 202336 252920 316150 505840 632300 1011680 1264600 2220293 2529200 4440586 5058400 8881172 11101465 17762344 22202930 35524688 44405860 55507325 71049376 88811720 111014650 177623440 222029300 355246880 444058600 888117200 1776234400 14038912639 28077825278 56155650556 70194563195 112311301112 140389126390 224622602224 280778252780 350972815975 449245204448 561556505560 701945631950 1123113011120 1403891263900 2246226022240 2807782527800 5615565055600 11231130111200