111239673920 has 56 divisors (see below), whose sum is σ = 278831040000. Its totient is φ = 42153979392.

The previous prime is 111239673913. The next prime is 111239673973. The reversal of 111239673920 is 29376932111.

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 7 ways as a sum of consecutive naturals, for example, 9141920 + ... + 9154079.

Almost surely, 2^111239673920 is an apocalyptic number.

111239673920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111239673920 is an abundant number, since it is smaller than the sum of its proper divisors (167591366080).

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

111239673920 is a wasteful number, since it uses less digits than its factorization.

111239673920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18296035 (or 18296025 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 111239673920 in words is "one hundred eleven billion, two hundred thirty-nine million, six hundred seventy-three thousand, nine hundred twenty".