111172560806 has 8 divisors (see below), whose sum is σ = 166811175480. Its totient is φ = 55568835648.

The previous prime is 111172560787. The next prime is 111172560841. The reversal of 111172560806 is 608065271111.

111172560806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111172560806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714411 + ... + 8727158.

It is an arithmetic number, because the mean of its divisors is an integer number (20851396935).

Almost surely, 2^111172560806 is an apocalyptic number.

111172560806 is a deficient number, since it is larger than the sum of its proper divisors (55638614674).

111172560806 is a wasteful number, since it uses less digits than its factorization.

111172560806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17444758.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 111172560806 in words is "one hundred eleven billion, one hundred seventy-two million, five hundred sixty thousand, eight hundred six".