115715240656 has 40 divisors (see below), whose sum is σ = 236767102880. Its totient is φ = 54633896064.

The previous prime is 115715240653. The next prime is 115715240701. The reversal of 115715240656 is 656042517511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115715240651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526611 + ... + 713266.

It is an arithmetic number, because the mean of its divisors is an integer number (5919177572).

Almost surely, 2^115715240656 is an apocalyptic number.

115715240656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115715240656 is an abundant number, since it is smaller than the sum of its proper divisors (121051862224).

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

115715240656 is a wasteful number, since it uses less digits than its factorization.

115715240656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240211 (or 1240205 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 115715240656 in words is "one hundred fifteen billion, seven hundred fifteen million, two hundred forty thousand, six hundred fifty-six".