111475968 has 72 divisors (see below), whose sum is σ = 304784928. Its totient is φ = 36145152.

The previous prime is 111475961. The next prime is 111475981. The reversal of 111475968 is 869574111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111475961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26455 + ... + 30377.

It is an arithmetic number, because the mean of its divisors is an integer number (4233124).

Almost surely, 2^111475968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111475968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152392464).

111475968 is an abundant number, since it is smaller than the sum of its proper divisors (193308960).

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

111475968 is an equidigital number, since it uses as much as digits as its factorization.

111475968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979 (or 3965 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 111475968 is about 10558.2180314672. The cubic root of 111475968 is about 481.2754965296.

The spelling of 111475968 in words is "one hundred eleven million, four hundred seventy-five thousand, nine hundred sixty-eight".