115865305651 has 2 divisors, whose sum is σ = 115865305652. Its totient is φ = 115865305650.

The previous prime is 115865305547. The next prime is 115865305657. The reversal of 115865305651 is 156503568511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115865305651 - 2²⁵ = 115831751219 is a prime.

It is not a weakly prime, because it can be changed into another prime (115865305657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57932652825 + 57932652826.

It is an arithmetic number, because the mean of its divisors is an integer number (57932652826).

Almost surely, 2^115865305651 is an apocalyptic number.

115865305651 is a deficient number, since it is larger than the sum of its proper divisors (1).

115865305651 is an equidigital number, since it uses as much as digits as its factorization.

115865305651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 115865305651 in words is "one hundred fifteen billion, eight hundred sixty-five million, three hundred five thousand, six hundred fifty-one".