111356406 has 24 divisors (see below), whose sum is σ = 275739984. Its totient is φ = 31816080.

The previous prime is 111356389. The next prime is 111356411. The reversal of 111356406 is 604653111.

111356406 is a `hidden beast` number, since 1 + 1 + 13 + 5 + 640 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 111356406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441765 + ... + 442016.

It is an arithmetic number, because the mean of its divisors is an integer number (11489166).

Almost surely, 2^111356406 is an apocalyptic number.

111356406 is an abundant number, since it is smaller than the sum of its proper divisors (164383578).

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

111356406 is a wasteful number, since it uses less digits than its factorization.

111356406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883796 (or 883793 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 111356406 is about 10552.5544774713. The cubic root of 111356406 is about 481.1033731974.

The spelling of 111356406 in words is "one hundred eleven million, three hundred fifty-six thousand, four hundred six".