111111404 has 12 divisors (see below), whose sum is σ = 195034728. Its totient is φ = 55387200.

The previous prime is 111111397. The next prime is 111111421. The reversal of 111111404 is 404111111.

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 3 ways as a sum of consecutive naturals, for example, 40637 + ... + 43284.

It is an arithmetic number, because the mean of its divisors is an integer number (16252894).

Almost surely, 2^111111404 is an apocalyptic number.

It is an amenable number.

111111404 is a deficient number, since it is larger than the sum of its proper divisors (83923324).

111111404 is a wasteful number, since it uses less digits than its factorization.

111111404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84256 (or 84254 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 111111404 is about 10540.9394268253. The cubic root of 111111404 is about 480.7502791876.

Adding to 111111404 its reverse (404111111), we get a palindrome (515222515).

It can be divided in two parts, 111111 and 404, that multiplied together give a palindrome (44888844).

The spelling of 111111404 in words is "one hundred eleven million, one hundred eleven thousand, four hundred four".