111108959406 has 48 divisors (see below), whose sum is σ = 252393598080. Its totient is φ = 35258121360.

The previous prime is 111108959399. The next prime is 111108959419. The reversal of 111108959406 is 604959801111.

111108959406 is a `hidden beast` number, since 1 + 1 + 110 + 89 + 59 + 406 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548616 + ... + 723323.

It is an arithmetic number, because the mean of its divisors is an integer number (5258199960).

Almost surely, 2^111108959406 is an apocalyptic number.

111108959406 is an abundant number, since it is smaller than the sum of its proper divisors (141284638674).

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

111108959406 is a wasteful number, since it uses less digits than its factorization.

111108959406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272181 (or 1272178 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 111108959406 in words is "one hundred eleven billion, one hundred eight million, nine hundred fifty-nine thousand, four hundred six".