111881160 has 48 divisors (see below), whose sum is σ = 363614940. Its totient is φ = 29834880.

The previous prime is 111881153. The next prime is 111881167. The reversal of 111881160 is 61188111.

It is an interprime number because it is at equal distance from previous prime (111881153) and next prime (111881167).

It can be written as a sum of positive squares in 2 ways, for example, as 109118916 + 2762244 = 10446^2 + 1662^2 .

It is not an unprimeable number, because it can be changed into a prime (111881167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155031 + ... + 155750.

Almost surely, 2^111881160 is an apocalyptic number.

111881160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111881160 is an abundant number, since it is smaller than the sum of its proper divisors (251733780).

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

111881160 is a wasteful number, since it uses less digits than its factorization.

111881160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310798 (or 310791 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 27.

The square root of 111881160 is about 10577.3890918317. The cubic root of 111881160 is about 481.8579036262.

The spelling of 111881160 in words is "one hundred eleven million, eight hundred eighty-one thousand, one hundred sixty".