115556601516 has 24 divisors (see below), whose sum is σ = 285492780720. Its totient is φ = 36253051392.

The previous prime is 115556601497. The next prime is 115556601521. The reversal of 115556601516 is 615106655511.

It is a super-2 number, since 2×115556601516² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283226761 + ... + 283227168.

It is an arithmetic number, because the mean of its divisors is an integer number (11895532530).

Almost surely, 2^115556601516 is an apocalyptic number.

It is an amenable number.

115556601516 is an abundant number, since it is smaller than the sum of its proper divisors (169936179204).

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

115556601516 is a wasteful number, since it uses less digits than its factorization.

115556601516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566453953 (or 566453951 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 115556601516 in words is "one hundred fifteen billion, five hundred fifty-six million, six hundred one thousand, five hundred sixteen".