115720654975 has 12 divisors (see below), whose sum is σ = 149732465616. Its totient is φ = 88551457280.

The previous prime is 115720654949. The next prime is 115720654979. The reversal of 115720654975 is 579456027511.

It is not a de Polignac number, because 115720654975 - 2¹⁷ = 115720523903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115720654979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100626082 + ... + 100627231.

It is an arithmetic number, because the mean of its divisors is an integer number (12477705468).

Almost surely, 2^115720654975 is an apocalyptic number.

115720654975 is a deficient number, since it is larger than the sum of its proper divisors (34011810641).

115720654975 is a wasteful number, since it uses less digits than its factorization.

115720654975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201253346 (or 201253341 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 115720654975 in words is "one hundred fifteen billion, seven hundred twenty million, six hundred fifty-four thousand, nine hundred seventy-five".