115557724740 has 96 divisors (see below), whose sum is σ = 353646203904. Its totient is φ = 28067143680.

The previous prime is 115557724739. The next prime is 115557724753. The reversal of 115557724740 is 47427755511.

It is a self number, because there is not a number n which added to its sum of digits gives 115557724740.

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, 1795669 + ... + 1858908.

It is an arithmetic number, because the mean of its divisors is an integer number (3683814624).

Almost surely, 2^115557724740 is an apocalyptic number.

115557724740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115557724740 is an abundant number, since it is smaller than the sum of its proper divisors (238088479164).

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

115557724740 is a wasteful number, since it uses less digits than its factorization.

115557724740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654637 (or 3654635 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

The spelling of 115557724740 in words is "one hundred fifteen billion, five hundred fifty-seven million, seven hundred twenty-four thousand, seven hundred forty".