12625515589 has 2 divisors, whose sum is σ = 12625515590. Its totient is φ = 12625515588.

The previous prime is 12625515583. The next prime is 12625515593. The reversal of 12625515589 is 98551552621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6766378564 + 5859137025 = 82258^2 + 76545^2 .

It is a cyclic number.

It is not a de Polignac number, because 12625515589 - 2¹¹ = 12625513541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625515583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312757794 + 6312757795.

It is an arithmetic number, because the mean of its divisors is an integer number (6312757795).

Almost surely, 2^12625515589 is an apocalyptic number.

It is an amenable number.

12625515589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625515589 is an equidigital number, since it uses as much as digits as its factorization.

12625515589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080000, while the sum is 49.

The spelling of 12625515589 in words is "twelve billion, six hundred twenty-five million, five hundred fifteen thousand, five hundred eighty-nine".