12625602553 has 2 divisors, whose sum is σ = 12625602554. Its totient is φ = 12625602552.

The previous prime is 12625602533. The next prime is 12625602617. The reversal of 12625602553 is 35520652621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8116748649 + 4508853904 = 90093^2 + 67148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12625602553 is a prime.

It is not a weakly prime, because it can be changed into another prime (12625602533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312801276 + 6312801277.

It is an arithmetic number, because the mean of its divisors is an integer number (6312801277).

Almost surely, 2^12625602553 is an apocalyptic number.

It is an amenable number.

12625602553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625602553 is an equidigital number, since it uses as much as digits as its factorization.

12625602553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 12625602553 in words is "twelve billion, six hundred twenty-five million, six hundred two thousand, five hundred fifty-three".