111840749475 has 96 divisors (see below), whose sum is σ = 232226803200. Its totient is φ = 47194197120.

The previous prime is 111840749459. The next prime is 111840749479. The reversal of 111840749475 is 574947048111.

It is a happy number.

It is a Cunningham number, because it is equal to 334426²-1.

It is not a de Polignac number, because 111840749475 - 2⁴ = 111840749459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111840749479) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167212 + ... + 501638.

It is an arithmetic number, because the mean of its divisors is an integer number (2419029200).

Almost surely, 2^111840749475 is an apocalyptic number.

111840749475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111840749475 is an abundant number, since it is smaller than the sum of its proper divisors (120386053725).

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

111840749475 is a wasteful number, since it uses less digits than its factorization.

111840749475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334474 (or 334455 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 111840749475 in words is "one hundred eleven billion, eight hundred forty million, seven hundred forty-nine thousand, four hundred seventy-five".