12751512515025 has 24 divisors (see below), whose sum is σ = 21572791410720. Its totient is φ = 6642648378240.

The previous prime is 12751512514943. The next prime is 12751512515057. The reversal of 12751512515025 is 52051521515721.

It is a happy number.

It is not a de Polignac number, because 12751512515025 - 2⁹ = 12751512514513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1976975460 + ... + 1976981909.

It is an arithmetic number, because the mean of its divisors is an integer number (898866308780).

Almost surely, 2^{12751512515025} is an apocalyptic number.

12751512515025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12751512515025 is a deficient number, since it is larger than the sum of its proper divisors (8821278895695).

12751512515025 is a wasteful number, since it uses less digits than its factorization.

12751512515025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953957425 (or 3953957420 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 42.

The spelling of 12751512515025 in words is "twelve trillion, seven hundred fifty-one billion, five hundred twelve million, five hundred fifteen thousand, twenty-five".