12625026388889 has 2 divisors, whose sum is σ = 12625026388890. Its totient is φ = 12625026388888.

The previous prime is 12625026388847. The next prime is 12625026388907. The reversal of 12625026388889 is 98888362052621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12617179972489 + 7846416400 = 3552067^2 + 88580^2 .

It is a cyclic number.

It is not a de Polignac number, because 12625026388889 - 2¹⁶ = 12625026323353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12625026385889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312513194444 + 6312513194445.

It is an arithmetic number, because the mean of its divisors is an integer number (6312513194445).

Almost surely, 2^{12625026388889} is an apocalyptic number.

It is an amenable number.

12625026388889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625026388889 is an equidigital number, since it uses as much as digits as its factorization.

12625026388889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 159252480, while the sum is 68.

The spelling of 12625026388889 in words is "twelve trillion, six hundred twenty-five billion, twenty-six million, three hundred eighty-eight thousand, eight hundred eighty-nine".