1255989525079 has 2 divisors, whose sum is σ = 1255989525080. Its totient is φ = 1255989525078.

The previous prime is 1255989525059. The next prime is 1255989525151. The reversal of 1255989525079 is 9705259895521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255989525079 - 2⁵ = 1255989525047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255989525059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627994762539 + 627994762540.

It is an arithmetic number, because the mean of its divisors is an integer number (627994762540).

Almost surely, 2^{1255989525079} is an apocalyptic number.

1255989525079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255989525079 is an equidigital number, since it uses as much as digits as its factorization.

1255989525079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060000, while the sum is 67.

The spelling of 1255989525079 in words is "one trillion, two hundred fifty-five billion, nine hundred eighty-nine million, five hundred twenty-five thousand, seventy-nine".