115601056550 has 48 divisors (see below), whose sum is σ = 260189820000. Its totient is φ = 37303196160.

The previous prime is 115601056511. The next prime is 115601056577. The reversal of 115601056550 is 55650106511.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 115601056550.

It is a congruent number.

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, 9708425 + ... + 9720324.

It is an arithmetic number, because the mean of its divisors is an integer number (5420621250).

Almost surely, 2^115601056550 is an apocalyptic number.

115601056550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115601056550 is an abundant number, since it is smaller than the sum of its proper divisors (144588763450).

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

115601056550 is a wasteful number, since it uses less digits than its factorization.

115601056550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428785 (or 19428780 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 115601056550 in words is "one hundred fifteen billion, six hundred one million, fifty-six thousand, five hundred fifty".