111989876004 has 72 divisors (see below), whose sum is σ = 285525676800. Its totient is φ = 37009526400.

The previous prime is 111989875999. The next prime is 111989876041. The reversal of 111989876004 is 400678989111.

111989876004 is a `hidden beast` number, since 11 + 19 + 8 + 9 + 8 + 7 + 600 + 4 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1985269 + ... + 2040899.

It is an arithmetic number, because the mean of its divisors is an integer number (3965634400).

Almost surely, 2^111989876004 is an apocalyptic number.

It is an amenable number.

111989876004 is an abundant number, since it is smaller than the sum of its proper divisors (173535800796).

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

111989876004 is a wasteful number, since it uses less digits than its factorization.

111989876004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56121 (or 56116 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 111989876004 in words is "one hundred eleven billion, nine hundred eighty-nine million, eight hundred seventy-six thousand, four".