111992504107 has 32 divisors (see below), whose sum is σ = 128803405824. Its totient is φ = 96381885600.

The previous prime is 111992504093. The next prime is 111992504149. The reversal of 111992504107 is 701405299111.

It is not a de Polignac number, because 111992504107 - 2²³ = 111984115499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111992504107.

It is not an unprimeable number, because it can be changed into a prime (111992504207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13844418 + ... + 13852504.

It is an arithmetic number, because the mean of its divisors is an integer number (4025106432).

Almost surely, 2^111992504107 is an apocalyptic number.

111992504107 is a deficient number, since it is larger than the sum of its proper divisors (16810901717).

111992504107 is a wasteful number, since it uses less digits than its factorization.

111992504107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 111992504107 in words is "one hundred eleven billion, nine hundred ninety-two million, five hundred four thousand, one hundred seven".