12564103717 has 16 divisors (see below), whose sum is σ = 14328525312. Its totient is φ = 10905214320.

The previous prime is 12564103711. The next prime is 12564103787. The reversal of 12564103717 is 71730146521.

It is a de Polignac number, because none of the positive numbers 2^k-12564103717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12564103711) 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, 92998 + ... + 183784.

It is an arithmetic number, because the mean of its divisors is an integer number (895532832).

Almost surely, 2^12564103717 is an apocalyptic number.

It is an amenable number.

12564103717 is a deficient number, since it is larger than the sum of its proper divisors (1764421595).

12564103717 is a wasteful number, since it uses less digits than its factorization.

12564103717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91368.

The product of its (nonzero) digits is 35280, while the sum is 37.

It can be divided in two parts, 12564 and 103717, that added together give a square (116281 = 341²).

The spelling of 12564103717 in words is "twelve billion, five hundred sixty-four million, one hundred three thousand, seven hundred seventeen".