111110999957 has 8 divisors (see below), whose sum is σ = 111326633880. Its totient is φ = 110895575040.

The previous prime is 111110999953. The next prime is 111110999971. The reversal of 111110999957 is 759999011111.

It can be written as a sum of positive squares in 4 ways, for example, as 77815334116 + 33295665841 = 278954^2 + 182471^2 .

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 111110999957 - 2² = 111110999953 is a prime.

It is a super-2 number, since 2×111110999957² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110999899 and 111110999908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110999953) 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, 1033769 + ... + 1136177.

It is an arithmetic number, because the mean of its divisors is an integer number (13915829235).

Almost surely, 2^111110999957 is an apocalyptic number.

It is an amenable number.

111110999957 is a deficient number, since it is larger than the sum of its proper divisors (215633923).

111110999957 is a wasteful number, since it uses less digits than its factorization.

111110999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104503.

The product of its (nonzero) digits is 229635, while the sum is 53.

The spelling of 111110999957 in words is "one hundred eleven billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred fifty-seven".