12648371480625 has 40 divisors (see below), whose sum is σ = 21085671800160. Its totient is φ = 6742021408000.

The previous prime is 12648371480597. The next prime is 12648371480687. The reversal of 12648371480625 is 52608417384621.

It is not a de Polignac number, because 12648371480625 - 2²⁹ = 12647834609713 is a prime.

It is a super-2 number, since 2×12648371480625² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1463161 + ... + 5238089.

It is an arithmetic number, because the mean of its divisors is an integer number (527141795004).

Almost surely, 2^{12648371480625} is an apocalyptic number.

12648371480625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12648371480625 is a deficient number, since it is larger than the sum of its proper divisors (8437300319535).

12648371480625 is an equidigital number, since it uses as much as digits as its factorization.

12648371480625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776739 (or 3776724 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 12648371480625 in words is "twelve trillion, six hundred forty-eight billion, three hundred seventy-one million, four hundred eighty thousand, six hundred twenty-five".