115897507655 has 16 divisors (see below), whose sum is σ = 139263999840. Its totient is φ = 92593440768.

The previous prime is 115897507573. The next prime is 115897507697. The reversal of 115897507655 is 556705798511.

It is a cyclic number.

It is not a de Polignac number, because 115897507655 - 2¹⁰ = 115897506631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115897507594 and 115897507603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13530404 + ... + 13538966.

It is an arithmetic number, because the mean of its divisors is an integer number (8703999990).

Almost surely, 2^115897507655 is an apocalyptic number.

115897507655 is a deficient number, since it is larger than the sum of its proper divisors (23366492185).

115897507655 is a wasteful number, since it uses less digits than its factorization.

115897507655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890.

The product of its (nonzero) digits is 13230000, while the sum is 59.

The spelling of 115897507655 in words is "one hundred fifteen billion, eight hundred ninety-seven million, five hundred seven thousand, six hundred fifty-five".