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11212223515040 = 255571122725739
BaseRepresentation
bin1010001100101000110010…
…0110011000100110100000
31110200212201010122021011002
42203022030212120212200
52432200113204440130
635502454022011132
72235025231250402
oct243121446304640
943625633567132
1011212223515040
113633093965959
121311006b76aa8
13634400ca6362
142aa962c18b72
151469c7d00b45
hexa328c9989a0

11212223515040 has 48 divisors (see below), whose sum is σ = 26535268599840. Its totient is φ = 4477034922240.

The previous prime is 11212223515039. The next prime is 11212223515049. The reversal of 11212223515040 is 4051532221211.

It is a junction number, because it is equal to n+sod(n) for n = 11212223514994 and 11212223515012.

It is not an unprimeable number, because it can be changed into a prime (11212223515049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61271510 + ... + 61454229.

It is an arithmetic number, because the mean of its divisors is an integer number (552818095830).

Almost surely, 211212223515040 is an apocalyptic number.

11212223515040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212223515040 is an abundant number, since it is smaller than the sum of its proper divisors (15323045084800).

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

11212223515040 is a wasteful number, since it uses less digits than its factorization.

11212223515040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122726325 (or 122726317 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 11212223515040 its reverse (4051532221211), we get a palindrome (15263755736251).

The spelling of 11212223515040 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-three million, five hundred fifteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 571 1142 2284 2855 4568 5710 9136 11420 18272 22840 45680 91360 122725739 245451478 490902956 613628695 981805912 1227257390 1963611824 2454514780 3927223648 4909029560 9818059120 19636118240 70076396969 140152793938 280305587876 350381984845 560611175752 700763969690 1121222351504 1401527939380 2242444703008 2803055878760 5606111757520 11212223515040