111644404 has 6 divisors (see below), whose sum is σ = 195377714. Its totient is φ = 55822200.

The previous prime is 111644347. The next prime is 111644413. The reversal of 111644404 is 404446111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97219600 + 14424804 = 9860^2 + 3798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13955547 + ... + 13955554.

Almost surely, 2^111644404 is an apocalyptic number.

It is an amenable number.

111644404 is a deficient number, since it is larger than the sum of its proper divisors (83733310).

111644404 is a wasteful number, since it uses less digits than its factorization.

111644404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911105 (or 27911103 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 111644404 is about 10566.1915560906. The cubic root of 111644404 is about 481.5177709467.

The spelling of 111644404 in words is "one hundred eleven million, six hundred forty-four thousand, four hundred four".