12915364895 has 4 divisors (see below), whose sum is σ = 15498437880. Its totient is φ = 10332291912.

The previous prime is 12915364871. The next prime is 12915364927. The reversal of 12915364895 is 59846351921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59846351921 = 4933 ⋅12131837.

It is a cyclic number.

It is not a de Polignac number, because 12915364895 - 2²⁸ = 12646929439 is a prime.

It is a super-2 number, since 2×12915364895² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291536485 + ... + 1291536494.

It is an arithmetic number, because the mean of its divisors is an integer number (3874609470).

Almost surely, 2^12915364895 is an apocalyptic number.

12915364895 is a deficient number, since it is larger than the sum of its proper divisors (2583072985).

12915364895 is an equidigital number, since it uses as much as digits as its factorization.

12915364895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583072984.

The product of its digits is 2332800, while the sum is 53.

The spelling of 12915364895 in words is "twelve billion, nine hundred fifteen million, three hundred sixty-four thousand, eight hundred ninety-five".