12625513554677 has 2 divisors, whose sum is σ = 12625513554678. Its totient is φ = 12625513554676.

The previous prime is 12625513554653. The next prime is 12625513554727. The reversal of 12625513554677 is 77645531552621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9864379659121 + 2761133895556 = 3140761^2 + 1661666^2 .

It is a cyclic number.

It is not a de Polignac number, because 12625513554677 - 2²⁶ = 12625446445813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625513554607) 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 as a sum of consecutive naturals, namely, 6312756777338 + 6312756777339.

It is an arithmetic number, because the mean of its divisors is an integer number (6312756777339).

Almost surely, 2^{12625513554677} is an apocalyptic number.

It is an amenable number.

12625513554677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625513554677 is an equidigital number, since it uses as much as digits as its factorization.

12625513554677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920000, while the sum is 59.

The spelling of 12625513554677 in words is "twelve trillion, six hundred twenty-five billion, five hundred thirteen million, five hundred fifty-four thousand, six hundred seventy-seven".