12755278132625 has 24 divisors (see below), whose sum is σ = 18517540115880. Its totient is φ = 8746476429600.

The previous prime is 12755278132621. The next prime is 12755278132693. The reversal of 12755278132625 is 52623187255721.

It can be written as a sum of positive squares in 4 ways, for example, as 10777969489 + 12744500163136 = 103817^2 + 3569944^2 .

It is not a de Polignac number, because 12755278132625 - 2² = 12755278132621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12755278132621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041241070 + ... + 1041253319.

It is an arithmetic number, because the mean of its divisors is an integer number (771564171495).

Almost surely, 2^{12755278132625} is an apocalyptic number.

It is an amenable number.

12755278132625 is a deficient number, since it is larger than the sum of its proper divisors (5762261983255).

12755278132625 is an equidigital number, since it uses as much as digits as its factorization.

12755278132625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082494418 (or 2082494401 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 56.

The spelling of 12755278132625 in words is "twelve trillion, seven hundred fifty-five billion, two hundred seventy-eight million, one hundred thirty-two thousand, six hundred twenty-five".