13125254324515 has 32 divisors (see below), whose sum is σ = 17801766627840. Its totient is φ = 9230545497600.

The previous prime is 13125254324513. The next prime is 13125254324531. The reversal of 13125254324515 is 51542345252131.

It is not a de Polignac number, because 13125254324515 - 2¹ = 13125254324513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13125254324513) 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, 57118381 + ... + 57347710.

It is an arithmetic number, because the mean of its divisors is an integer number (556305207120).

Almost surely, 2^{13125254324515} is an apocalyptic number.

13125254324515 is a deficient number, since it is larger than the sum of its proper divisors (4676512303325).

13125254324515 is a wasteful number, since it uses less digits than its factorization.

13125254324515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114466203.

The product of its digits is 720000, while the sum is 43.

Adding to 13125254324515 its reverse (51542345252131), we get a palindrome (64667599576646).

The spelling of 13125254324515 in words is "thirteen trillion, one hundred twenty-five billion, two hundred fifty-four million, three hundred twenty-four thousand, five hundred fifteen".