111105404 has 12 divisors (see below), whose sum is σ = 205871904. Its totient is φ = 52284864.

The previous prime is 111105361. The next prime is 111105419. The reversal of 111105404 is 404501111.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 3 ways as a sum of consecutive naturals, for example, 816884 + ... + 817019.

It is an arithmetic number, because the mean of its divisors is an integer number (17155992).

Almost surely, 2^111105404 is an apocalyptic number.

It is an amenable number.

111105404 is a deficient number, since it is larger than the sum of its proper divisors (94766500).

111105404 is a wasteful number, since it uses less digits than its factorization.

111105404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633924 (or 1633922 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 111105404 is about 10540.6548183687. The cubic root of 111105404 is about 480.7416255497.

Adding to 111105404 its reverse (404501111), we get a palindrome (515606515).

The spelling of 111105404 in words is "one hundred eleven million, one hundred five thousand, four hundred four".