111755435568 has 160 divisors (see below), whose sum is σ = 332915692032. Its totient is φ = 31643289600.

The previous prime is 111755435557. The next prime is 111755435579. The reversal of 111755435568 is 865534557111.

111755435568 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111755435557) and next prime (111755435579).

It is a self number, because there is not a number n which added to its sum of digits gives 111755435568.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46699780 + ... + 46702172.

Almost surely, 2^111755435568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111755435568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166457846016).

111755435568 is an abundant number, since it is smaller than the sum of its proper divisors (221160256464).

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

111755435568 is a wasteful number, since it uses less digits than its factorization.

111755435568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603 (or 3597 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 51.

The spelling of 111755435568 in words is "one hundred eleven billion, seven hundred fifty-five million, four hundred thirty-five thousand, five hundred sixty-eight".