111010999957 has 32 divisors (see below), whose sum is σ = 140695833600. Its totient is φ = 86021944320.

The previous prime is 111010999921. The next prime is 111010999963. The reversal of 111010999957 is 759999010111.

It is not a de Polignac number, because 111010999957 - 2⁷ = 111010999829 is a prime.

It is a super-2 number, since 2×111010999957² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010999657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301957 + ... + 559642.

It is an arithmetic number, because the mean of its divisors is an integer number (4396744800).

Almost surely, 2^111010999957 is an apocalyptic number.

111010999957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

111010999957 is a deficient number, since it is larger than the sum of its proper divisors (29684833643).

111010999957 is a wasteful number, since it uses less digits than its factorization.

111010999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861693.

The product of its (nonzero) digits is 229635, while the sum is 52.

The spelling of 111010999957 in words is "one hundred eleven billion, ten million, nine hundred ninety-nine thousand, nine hundred fifty-seven".