111111099968 has 56 divisors (see below), whose sum is σ = 240578700960. Its totient is φ = 50494878720.

The previous prime is 111111099919. The next prime is 111111099971. The reversal of 111111099968 is 869990111111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4325948 + ... + 4351556.

Almost surely, 2^111111099968 is an apocalyptic number.

It is an amenable number.

111111099968 is an abundant number, since it is smaller than the sum of its proper divisors (129467600992).

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

111111099968 is a wasteful number, since it uses less digits than its factorization.

111111099968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31795 (or 31785 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 47.

The spelling of 111111099968 in words is "one hundred eleven billion, one hundred eleven million, ninety-nine thousand, nine hundred sixty-eight".