115656215620 has 24 divisors (see below), whose sum is σ = 264957876288. Its totient is φ = 42056805600.

The previous prime is 115656215573. The next prime is 115656215621. The reversal of 115656215620 is 26512656511.

It is not an unprimeable number, because it can be changed into a prime (115656215621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262854816 + ... + 262855255.

It is an arithmetic number, because the mean of its divisors is an integer number (11039911512).

Almost surely, 2^115656215620 is an apocalyptic number.

115656215620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115656215620 is an abundant number, since it is smaller than the sum of its proper divisors (149301660668).

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

115656215620 is a wasteful number, since it uses less digits than its factorization.

115656215620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525710091 (or 525710089 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 115656215620 in words is "one hundred fifteen billion, six hundred fifty-six million, two hundred fifteen thousand, six hundred twenty".