12764015015 has 4 divisors (see below), whose sum is σ = 15316818024. Its totient is φ = 10211212008.

The previous prime is 12764014969. The next prime is 12764015161. The reversal of 12764015015 is 51051046721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12764015015 is a prime.

It is a Duffinian number.

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, 1276401497 + ... + 1276401506.

It is an arithmetic number, because the mean of its divisors is an integer number (3829204506).

Almost surely, 2^12764015015 is an apocalyptic number.

12764015015 is a deficient number, since it is larger than the sum of its proper divisors (2552803009).

12764015015 is an equidigital number, since it uses as much as digits as its factorization.

12764015015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552803008.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 12764015015 in words is "twelve billion, seven hundred sixty-four million, fifteen thousand, fifteen".