12516811295795 has 16 divisors (see below), whose sum is σ = 15213842953920. Its totient is φ = 9884949469824.

The previous prime is 12516811295789. The next prime is 12516811295797. The reversal of 12516811295795 is 59759211861521.

It is a cyclic number.

It is not a de Polignac number, because 12516811295795 - 2²⁰ = 12516810247219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12516811295797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38171900 + ... + 38498409.

It is an arithmetic number, because the mean of its divisors is an integer number (950865184620).

Almost surely, 2^{12516811295795} is an apocalyptic number.

12516811295795 is a deficient number, since it is larger than the sum of its proper divisors (2697031658125).

12516811295795 is a wasteful number, since it uses less digits than its factorization.

12516811295795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76670734.

The product of its digits is 13608000, while the sum is 62.

The spelling of 12516811295795 in words is "twelve trillion, five hundred sixteen billion, eight hundred eleven million, two hundred ninety-five thousand, seven hundred ninety-five".