111990048 has 24 divisors (see below), whose sum is σ = 293974128. Its totient is φ = 37329984.

The previous prime is 111990041. The next prime is 111990061. The reversal of 111990048 is 840099111.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (111990041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583186 + ... + 583377.

It is an arithmetic number, because the mean of its divisors is an integer number (12248922).

Almost surely, 2^111990048 is an apocalyptic number.

It is an amenable number.

111990048 is an abundant number, since it is smaller than the sum of its proper divisors (181984080).

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

111990048 is a wasteful number, since it uses less digits than its factorization.

111990048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166576 (or 1166568 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 111990048 is about 10582.5350460086. The cubic root of 111990048 is about 482.0141751884.

The spelling of 111990048 in words is "one hundred eleven million, nine hundred ninety thousand, forty-eight".