111868986 has 16 divisors (see below), whose sum is σ = 223884864. Its totient is φ = 37265184.

The previous prime is 111868973. The next prime is 111869047. The reversal of 111868986 is 689868111.

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, 5470 + ... + 15926.

It is an arithmetic number, because the mean of its divisors is an integer number (13992804).

Almost surely, 2^111868986 is an apocalyptic number.

111868986 is an abundant number, since it is smaller than the sum of its proper divisors (112015878).

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

111868986 is a wasteful number, since it uses less digits than its factorization.

111868986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245.

The product of its digits is 165888, while the sum is 48.

The square root of 111868986 is about 10576.8136033495. The cubic root of 111868986 is about 481.8404257032.

The spelling of 111868986 in words is "one hundred eleven million, eight hundred sixty-eight thousand, nine hundred eighty-six".