13125421325315 has 32 divisors (see below), whose sum is σ = 17707432329216. Its totient is φ = 9267079536000.

The previous prime is 13125421325297. The next prime is 13125421325323. The reversal of 13125421325315 is 51352312452131.

It is not a de Polignac number, because 13125421325315 - 2¹⁰ = 13125421324291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1415102 + ... + 5315388.

It is an arithmetic number, because the mean of its divisors is an integer number (553357260288).

Almost surely, 2^{13125421325315} is an apocalyptic number.

13125421325315 is a deficient number, since it is larger than the sum of its proper divisors (4582011003901).

13125421325315 is a wasteful number, since it uses less digits than its factorization.

13125421325315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902579.

The product of its digits is 108000, while the sum is 38.

Adding to 13125421325315 its reverse (51352312452131), we get a palindrome (64477733777446).

The spelling of 13125421325315 in words is "thirteen trillion, one hundred twenty-five billion, four hundred twenty-one million, three hundred twenty-five thousand, three hundred fifteen".