13123255155125 has 8 divisors (see below), whose sum is σ = 16377822433752. Its totient is φ = 10498604124000.

The previous prime is 13123255155067. The next prime is 13123255155137. The reversal of 13123255155125 is 52155155232131.

It can be written as a sum of positive squares in 4 ways, for example, as 111875532484 + 13011379622641 = 334478^2 + 3607129^2 .

It is not a de Polignac number, because 13123255155125 - 2⁶ = 13123255155061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52493020496 + ... + 52493020745.

It is an arithmetic number, because the mean of its divisors is an integer number (2047227804219).

Almost surely, 2^{13123255155125} is an apocalyptic number.

It is an amenable number.

13123255155125 is a deficient number, since it is larger than the sum of its proper divisors (3254567278627).

13123255155125 is an equidigital number, since it uses as much as digits as its factorization.

13123255155125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104986041256 (or 104986041246 counting only the distinct ones).

The product of its digits is 225000, while the sum is 41.

The spelling of 13123255155125 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, one hundred fifty-five thousand, one hundred twenty-five".