13155212510125 has 64 divisors (see below), whose sum is σ = 19657435299840. Its totient is φ = 8599430664000.

The previous prime is 13155212510057. The next prime is 13155212510137. The reversal of 13155212510125 is 52101521255131.

It is not a de Polignac number, because 13155212510125 - 2⁷ = 13155212509997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1801915 + ... + 5436664.

It is an arithmetic number, because the mean of its divisors is an integer number (307147426560).

Almost surely, 2^{13155212510125} is an apocalyptic number.

It is an amenable number.

13155212510125 is a deficient number, since it is larger than the sum of its proper divisors (6502222789715).

13155212510125 is an equidigital number, since it uses as much as digits as its factorization.

13155212510125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238699 (or 7238689 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

Adding to 13155212510125 its reverse (52101521255131), we get a palindrome (65256733765256).

The spelling of 13155212510125 in words is "thirteen trillion, one hundred fifty-five billion, two hundred twelve million, five hundred ten thousand, one hundred twenty-five".