17255612112689 has 2 divisors, whose sum is σ = 17255612112690. Its totient is φ = 17255612112688.

The previous prime is 17255612112637. The next prime is 17255612112701. The reversal of 17255612112689 is 98621121655271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12047722986289 + 5207889126400 = 3470983^2 + 2282080^2 .

It is a cyclic number.

It is not a de Polignac number, because 17255612112689 - 2⁸ = 17255612112433 is a prime.

It is a super-2 number, since 2×17255612112689² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17255612112289) 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, 8627806056344 + 8627806056345.

It is an arithmetic number, because the mean of its divisors is an integer number (8627806056345).

Almost surely, 2^{17255612112689} is an apocalyptic number.

It is an amenable number.

17255612112689 is a deficient number, since it is larger than the sum of its proper divisors (1).

17255612112689 is an equidigital number, since it uses as much as digits as its factorization.

17255612112689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 56.

The spelling of 17255612112689 in words is "seventeen trillion, two hundred fifty-five billion, six hundred twelve million, one hundred twelve thousand, six hundred eighty-nine".