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11111110011101 = 89983891268881
BaseRepresentation
bin1010000110110000000111…
…0000111110100011011101
31110100012201100202001122202
42201230001300332203131
52424021023130323401
635344212400421245
72224515443533622
oct241540160764335
943305640661582
1011111110011101
1135a4216a31871
1212b54a8317825
13627a08898559
142a5acdd42349
1514405ae6406b
hexa1b01c3e8dd

11111110011101 has 8 divisors (see below), whose sum is σ = 11236076998200. Its totient is φ = 10986145758720.

The previous prime is 11111110011083. The next prime is 11111110011139. The reversal of 11111110011101 is 10111001111111.

It can be written as a sum of positive squares in 4 ways, for example, as 1482184502500 + 9628925508601 = 1217450^2 + 3103051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111110011101 - 238 = 10836232104157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111110011161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8122181 + ... + 9391061.

It is an arithmetic number, because the mean of its divisors is an integer number (1404509624775).

Almost surely, 211111110011101 is an apocalyptic number.

It is an amenable number.

11111110011101 is a deficient number, since it is larger than the sum of its proper divisors (124966987099).

11111110011101 is an equidigital number, since it uses as much as digits as its factorization.

11111110011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367359.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11111110011101 its reverse (10111001111111), we get a palindrome (21222111122212).

The spelling of 11111110011101 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, eleven thousand, one hundred one".

Divisors: 1 89 98389 1268881 8756621 112930409 124843932709 11111110011101