111045918 has 32 divisors (see below), whose sum is σ = 238204800. Its totient is φ = 34403616.

The previous prime is 111045911. The next prime is 111045919. The reversal of 111045918 is 819540111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111045911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3148 + ... + 15231.

It is an arithmetic number, because the mean of its divisors is an integer number (7443900).

Almost surely, 2^111045918 is an apocalyptic number.

111045918 is an abundant number, since it is smaller than the sum of its proper divisors (127158882).

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

111045918 is a wasteful number, since it uses less digits than its factorization.

111045918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456.

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 111045918 is about 10537.8326993742. The cubic root of 111045918 is about 480.6558136374.

The spelling of 111045918 in words is "one hundred eleven million, forty-five thousand, nine hundred eighteen".