115507260531655 has 16 divisors (see below), whose sum is σ = 139000506331680. Its totient is φ = 92144704111488.

The previous prime is 115507260531647. The next prime is 115507260531709. The reversal of 115507260531655 is 556135062705511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115507260531655 - 2³ = 115507260531647 is a prime.

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, 4391269 + ... + 15820801.

It is an arithmetic number, because the mean of its divisors is an integer number (8687531645730).

Almost surely, 2^{115507260531655} is an apocalyptic number.

115507260531655 is a deficient number, since it is larger than the sum of its proper divisors (23493245800025).

115507260531655 is a wasteful number, since it uses less digits than its factorization.

115507260531655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435250.

The product of its (nonzero) digits is 4725000, while the sum is 52.

The spelling of 115507260531655 in words is "one hundred fifteen trillion, five hundred seven billion, two hundred sixty million, five hundred thirty-one thousand, six hundred fifty-five".