13159999744 has 36 divisors (see below), whose sum is σ = 27813813804. Its totient is φ = 6192939008.

The previous prime is 13159999733. The next prime is 13159999759. The reversal of 13159999744 is 44799995131.

It can be written as a sum of positive squares in 2 ways, for example, as 11987622144 + 1172377600 = 109488^2 + 34240^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507597 + ... + 1516300.

It is an arithmetic number, because the mean of its divisors is an integer number (772605939).

Almost surely, 2^13159999744 is an apocalyptic number.

It is an amenable number.

13159999744 is an abundant number, since it is smaller than the sum of its proper divisors (14653814060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13159999744 is an equidigital number, since it uses as much as digits as its factorization.

13159999744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023930 (or 3023916 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 61.

The spelling of 13159999744 in words is "thirteen billion, one hundred fifty-nine million, nine hundred ninety-nine thousand, seven hundred forty-four".