12461125665425 has 12 divisors (see below), whose sum is σ = 15483265892976. Its totient is φ = 9948597262800.

The previous prime is 12461125665353. The next prime is 12461125665449. The reversal of 12461125665425 is 52456652116421.

It is a happy number.

It is not a de Polignac number, because 12461125665425 - 2⁸ = 12461125665169 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 507569219 + ... + 507593768.

It is an arithmetic number, because the mean of its divisors is an integer number (1290272157748).

Almost surely, 2^{12461125665425} is an apocalyptic number.

It is an amenable number.

12461125665425 is a deficient number, since it is larger than the sum of its proper divisors (3022140227551).

12461125665425 is a wasteful number, since it uses less digits than its factorization.

12461125665425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015163488 (or 1015163483 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 50.

The spelling of 12461125665425 in words is "twelve trillion, four hundred sixty-one billion, one hundred twenty-five million, six hundred sixty-five thousand, four hundred twenty-five".