111400444 has 24 divisors (see below), whose sum is σ = 204362928. Its totient is φ = 53074560.

The previous prime is 111400433. The next prime is 111400517. The reversal of 111400444 is 444004111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 14950.

It is an arithmetic number, because the mean of its divisors is an integer number (8515122).

Almost surely, 2^111400444 is an apocalyptic number.

It is an amenable number.

111400444 is a deficient number, since it is larger than the sum of its proper divisors (92962484).

111400444 is a wasteful number, since it uses less digits than its factorization.

111400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15885 (or 15883 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 111400444 is about 10554.6408749895. The cubic root of 111400444 is about 481.1667853195.

Adding to 111400444 its reverse (444004111), we get a palindrome (555404555).

The spelling of 111400444 in words is "one hundred eleven million, four hundred thousand, four hundred forty-four".