111659317057 has 16 divisors (see below), whose sum is σ = 122918789952. Its totient is φ = 100997614080.

The previous prime is 111659316997. The next prime is 111659317061. The reversal of 111659317057 is 750713956111.

It is a cyclic number.

It is not a de Polignac number, because 111659317057 - 2¹⁹ = 111658792769 is a prime.

It is a super-2 number, since 2×111659317057² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111659316998 and 111659317016.

It is not an unprimeable number, because it can be changed into a prime (111659317657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148823 + ... + 1242220.

It is an arithmetic number, because the mean of its divisors is an integer number (7682424372).

Almost surely, 2^111659317057 is an apocalyptic number.

111659317057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

111659317057 is a deficient number, since it is larger than the sum of its proper divisors (11259472895).

111659317057 is a wasteful number, since it uses less digits than its factorization.

111659317057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391168.

The product of its (nonzero) digits is 198450, while the sum is 46.

The spelling of 111659317057 in words is "one hundred eleven billion, six hundred fifty-nine million, three hundred seventeen thousand, fifty-seven".