111992005692 has 72 divisors (see below), whose sum is σ = 329016105600. Its totient is φ = 31455377568.

The previous prime is 111992005687. The next prime is 111992005709. The reversal of 111992005692 is 296500299111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3751342 + ... + 3781077.

Almost surely, 2^111992005692 is an apocalyptic number.

111992005692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111992005692 is an abundant number, since it is smaller than the sum of its proper divisors (217024099908).

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

111992005692 is a wasteful number, since it uses less digits than its factorization.

111992005692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532495 (or 7532490 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 111992005692 in words is "one hundred eleven billion, nine hundred ninety-two million, five thousand, six hundred ninety-two".