13120364515 has 16 divisors (see below), whose sum is σ = 16259927040. Its totient is φ = 10152948960.

The previous prime is 13120364507. The next prime is 13120364561. The reversal of 13120364515 is 51546302131.

It is not a de Polignac number, because 13120364515 - 2³ = 13120364507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332716 + ... + 370054.

It is an arithmetic number, because the mean of its divisors is an integer number (1016245440).

Almost surely, 2^13120364515 is an apocalyptic number.

13120364515 is a deficient number, since it is larger than the sum of its proper divisors (3139562525).

13120364515 is a wasteful number, since it uses less digits than its factorization.

13120364515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39642.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 13120364515 its reverse (51546302131), we get a palindrome (64666666646).

The spelling of 13120364515 in words is "thirteen billion, one hundred twenty million, three hundred sixty-four thousand, five hundred fifteen".