115507256060065 has 16 divisors (see below), whose sum is σ = 140689226055888. Its totient is φ = 91022067449856.

The previous prime is 115507256060033. The next prime is 115507256060113. The reversal of 115507256060065 is 560060652705511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 46268414763921 + 69238841296144 = 6802089^2 + 8320988^2 .

It is a cyclic number.

It is not a de Polignac number, because 115507256060065 - 2⁵ = 115507256060033 is a prime.

It is a Duffinian 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, 204412704 + ... + 204976993.

It is an arithmetic number, because the mean of its divisors is an integer number (8793076628493).

Almost surely, 2^{115507256060065} is an apocalyptic number.

It is an amenable number.

115507256060065 is a deficient number, since it is larger than the sum of its proper divisors (25181969995823).

115507256060065 is an equidigital number, since it uses as much as digits as its factorization.

115507256060065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409390548.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 115507256060065 in words is "one hundred fifteen trillion, five hundred seven billion, two hundred fifty-six million, sixty thousand, sixty-five".