111557625608 has 96 divisors (see below), whose sum is σ = 247806578880. Its totient is φ = 46768444800.

The previous prime is 111557625587. The next prime is 111557625629. The reversal of 111557625608 is 806526755111.

111557625608 is digitally balanced in base 3, 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 (111557625587) and next prime (111557625629).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19011491 + ... + 19017357.

It is an arithmetic number, because the mean of its divisors is an integer number (2581318530).

Almost surely, 2^111557625608 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 111557625608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123903289440).

111557625608 is an abundant number, since it is smaller than the sum of its proper divisors (136248953272).

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

111557625608 is a wasteful number, since it uses less digits than its factorization.

111557625608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419 (or 7404 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 111557625608 in words is "one hundred eleven billion, five hundred fifty-seven million, six hundred twenty-five thousand, six hundred eight".