13125205015 has 12 divisors (see below), whose sum is σ = 17055001224. Its totient is φ = 9692458464.

The previous prime is 13125205013. The next prime is 13125205019. The reversal of 13125205015 is 51050252131.

13125205015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13125205015 - 2¹ = 13125205013 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 (13125205013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7765549 + ... + 7767238.

It is an arithmetic number, because the mean of its divisors is an integer number (1421250102).

Almost surely, 2^13125205015 is an apocalyptic number.

13125205015 is a deficient number, since it is larger than the sum of its proper divisors (3929796209).

13125205015 is a wasteful number, since it uses less digits than its factorization.

13125205015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15532818 (or 15532805 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 13125205015 its reverse (51050252131), we get a palindrome (64175457146).

The spelling of 13125205015 in words is "thirteen billion, one hundred twenty-five million, two hundred five thousand, fifteen".