111974399994 has 16 divisors (see below), whose sum is σ = 223952100768. Its totient is φ = 37324249872.

The previous prime is 111974399981. The next prime is 111974400029. The reversal of 111974399994 is 499993479111.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653109 + ... + 806535.

It is an arithmetic number, because the mean of its divisors is an integer number (13997006298).

Almost surely, 2^111974399994 is an apocalyptic number.

111974399994 is an abundant number, since it is smaller than the sum of its proper divisors (111977700774).

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

111974399994 is a wasteful number, since it uses less digits than its factorization.

111974399994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275069.

The product of its digits is 19840464, while the sum is 66.

The spelling of 111974399994 in words is "one hundred eleven billion, nine hundred seventy-four million, three hundred ninety-nine thousand, nine hundred ninety-four".