128524617713 has 2 divisors, whose sum is σ = 128524617714. Its totient is φ = 128524617712.

The previous prime is 128524617653. The next prime is 128524617763. The reversal of 128524617713 is 317716425821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76824317584 + 51700300129 = 277172^2 + 227377^2 .

It is a cyclic number.

It is not a de Polignac number, because 128524617713 - 2⁶ = 128524617649 is a prime.

It is not a weakly prime, because it can be changed into another prime (128524617763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64262308856 + 64262308857.

It is an arithmetic number, because the mean of its divisors is an integer number (64262308857).

Almost surely, 2^128524617713 is an apocalyptic number.

It is an amenable number.

128524617713 is a deficient number, since it is larger than the sum of its proper divisors (1).

128524617713 is an equidigital number, since it uses as much as digits as its factorization.

128524617713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The spelling of 128524617713 in words is "one hundred twenty-eight billion, five hundred twenty-four million, six hundred seventeen thousand, seven hundred thirteen".