15397153247879 has 32 divisors (see below), whose sum is σ = 17081344784448. Its totient is φ = 13788315648000.

The previous prime is 15397153247873. The next prime is 15397153247881. The reversal of 15397153247879 is 97874235179351.

It is a cyclic number.

It is not a de Polignac number, because 15397153247879 - 2⁴ = 15397153247863 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 (15397153247873) 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, 247986119 + ... + 248048199.

It is an arithmetic number, because the mean of its divisors is an integer number (533792024514).

Almost surely, 2^{15397153247879} is an apocalyptic number.

15397153247879 is a deficient number, since it is larger than the sum of its proper divisors (1684191536569).

15397153247879 is a wasteful number, since it uses less digits than its factorization.

15397153247879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64739.

The product of its digits is 400075200, while the sum is 71.

The spelling of 15397153247879 in words is "fifteen trillion, three hundred ninety-seven billion, one hundred fifty-three million, two hundred forty-seven thousand, eight hundred seventy-nine".