128252624082641 has 2 divisors, whose sum is σ = 128252624082642. Its totient is φ = 128252624082640.

The previous prime is 128252624082559. The next prime is 128252624082719. The reversal of 128252624082641 is 146280426252821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126083793519616 + 2168830563025 = 11228704^2 + 1472695^2 .

It is a cyclic number.

It is not a de Polignac number, because 128252624082641 - 2³⁰ = 128251550340817 is a prime.

It is not a weakly prime, because it can be changed into another prime (128252624082241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64126312041320 + 64126312041321.

It is an arithmetic number, because the mean of its divisors is an integer number (64126312041321).

Almost surely, 2^{128252624082641} is an apocalyptic number.

It is an amenable number.

128252624082641 is a deficient number, since it is larger than the sum of its proper divisors (1).

128252624082641 is an equidigital number, since it uses as much as digits as its factorization.

128252624082641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 128252624082641 in words is "one hundred twenty-eight trillion, two hundred fifty-two billion, six hundred twenty-four million, eighty-two thousand, six hundred forty-one".