111709265994 has 16 divisors (see below), whose sum is σ = 248242813440. Its totient is φ = 37236421980.

The previous prime is 111709265957. The next prime is 111709266029. The reversal of 111709265994 is 499562907111.

It is a happy number.

111709265994 is a `hidden beast` number, since 11 + 17 + 0 + 9 + 26 + 599 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2068690111 = 111709265994 / (1 + 1 + 1 + 7 + 0 + 9 + 2 + 6 + 5 + 9 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 111709265994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034345002 + ... + 1034345109.

It is an arithmetic number, because the mean of its divisors is an integer number (15515175840).

Almost surely, 2^111709265994 is an apocalyptic number.

111709265994 is an abundant number, since it is smaller than the sum of its proper divisors (136533547446).

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

111709265994 is a wasteful number, since it uses less digits than its factorization.

111709265994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068690122 (or 2068690116 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 111709265994 in words is "one hundred eleven billion, seven hundred nine million, two hundred sixty-five thousand, nine hundred ninety-four".