12716503591 has 24 divisors (see below), whose sum is σ = 14847894432. Its totient is φ = 10845120000.

The previous prime is 12716503589. The next prime is 12716503627. The reversal of 12716503591 is 19530561721.

It is not a de Polignac number, because 12716503591 - 2¹ = 12716503589 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12716503561) 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, 633966 + ... + 653716.

It is an arithmetic number, because the mean of its divisors is an integer number (618662268).

Almost surely, 2^12716503591 is an apocalyptic number.

12716503591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12716503591 is a deficient number, since it is larger than the sum of its proper divisors (2131390841).

12716503591 is a wasteful number, since it uses less digits than its factorization.

12716503591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103 (or 20092 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 12716503591 in words is "twelve billion, seven hundred sixteen million, five hundred three thousand, five hundred ninety-one".