15997316653713 has 32 divisors (see below), whose sum is σ = 22598384320512. Its totient is φ = 10031339347200.

The previous prime is 15997316653603. The next prime is 15997316653823. The reversal of 15997316653713 is 31735661379951.

It is an interprime number because it is at equal distance from previous prime (15997316653603) and next prime (15997316653823).

It is not a de Polignac number, because 15997316653713 - 2⁸ = 15997316653457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15997316673713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1156620708 + ... + 1156634538.

It is an arithmetic number, because the mean of its divisors is an integer number (706199510016).

Almost surely, 2^{15997316653713} is an apocalyptic number.

It is an amenable number.

15997316653713 is a deficient number, since it is larger than the sum of its proper divisors (6601067666799).

15997316653713 is a wasteful number, since it uses less digits than its factorization.

15997316653713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26205.

The product of its digits is 96446700, while the sum is 66.

The spelling of 15997316653713 in words is "fifteen trillion, nine hundred ninety-seven billion, three hundred sixteen million, six hundred fifty-three thousand, seven hundred thirteen".