111179142864 has 80 divisors (see below), whose sum is σ = 323888466240. Its totient is φ = 36506574720.

The previous prime is 111179142821. The next prime is 111179142869. The reversal of 111179142864 is 468241971111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111179142869) 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, 1891647 + ... + 1949534.

It is an arithmetic number, because the mean of its divisors is an integer number (4048605828).

Almost surely, 2^111179142864 is an apocalyptic number.

It is an amenable number.

111179142864 is an abundant number, since it is smaller than the sum of its proper divisors (212709323376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111179142864 is a wasteful number, since it uses less digits than its factorization.

111179142864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841265 (or 3841253 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The spelling of 111179142864 in words is "one hundred eleven billion, one hundred seventy-nine million, one hundred forty-two thousand, eight hundred sixty-four".