111849474816 has 108 divisors (see below), whose sum is σ = 339462880120. Its totient is φ = 35320872960.

The previous prime is 111849474791. The next prime is 111849474827. The reversal of 111849474816 is 618474948111.

111849474816 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 494 + 74 + 81 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1233745 + ... + 1321296.

Almost surely, 2^111849474816 is an apocalyptic number.

111849474816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111849474816 is an abundant number, since it is smaller than the sum of its proper divisors (227613405304).

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

111849474816 is a wasteful number, since it uses less digits than its factorization.

111849474816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555082 (or 2555065 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The spelling of 111849474816 in words is "one hundred eleven billion, eight hundred forty-nine million, four hundred seventy-four thousand, eight hundred sixteen".