111914160931 has 4 divisors (see below), whose sum is σ = 112088211592. Its totient is φ = 111740110272.

The previous prime is 111914160923. The next prime is 111914160959. The reversal of 111914160931 is 139061419111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111914160931 - 2³ = 111914160923 is a prime.

It is a super-2 number, since 2×111914160931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111914160331) 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 3 ways as a sum of consecutive naturals, for example, 87024366 + ... + 87025651.

It is an arithmetic number, because the mean of its divisors is an integer number (28022052898).

Almost surely, 2^111914160931 is an apocalyptic number.

111914160931 is a deficient number, since it is larger than the sum of its proper divisors (174050661).

111914160931 is an equidigital number, since it uses as much as digits as its factorization.

111914160931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174050660.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 111914160931 in words is "one hundred eleven billion, nine hundred fourteen million, one hundred sixty thousand, nine hundred thirty-one".