12791516313789 has 24 divisors (see below), whose sum is σ = 19344046307040. Its totient is φ = 8134419445152.

The previous prime is 12791516313713. The next prime is 12791516313839. The reversal of 12791516313789 is 98731361519721.

12791516313789 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 1 + 516 + 3 + 1 + 37 + 89 = 666.

It is not a de Polignac number, because 12791516313789 - 2¹⁵ = 12791516281021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791516363789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295217139 + ... + 295260464.

It is an arithmetic number, because the mean of its divisors is an integer number (806001929460).

Almost surely, 2^{12791516313789} is an apocalyptic number.

It is an amenable number.

12791516313789 is a deficient number, since it is larger than the sum of its proper divisors (6552529993251).

12791516313789 is a wasteful number, since it uses less digits than its factorization.

12791516313789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590477721 (or 590477718 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The spelling of 12791516313789 in words is "twelve trillion, seven hundred ninety-one billion, five hundred sixteen million, three hundred thirteen thousand, seven hundred eighty-nine".