17255485745 has 8 divisors (see below), whose sum is σ = 20707530984. Its totient is φ = 13803756544.

The previous prime is 17255485727. The next prime is 17255485771. The reversal of 17255485745 is 54758455271.

It can be written as a sum of positive squares in 4 ways, for example, as 2676613696 + 14578872049 = 51736^2 + 120743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17255485745 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64967 + ... + 196803.

It is an arithmetic number, because the mean of its divisors is an integer number (2588441373).

Almost surely, 2^17255485745 is an apocalyptic number.

It is an amenable number.

17255485745 is a deficient number, since it is larger than the sum of its proper divisors (3452045239).

17255485745 is a wasteful number, since it uses less digits than its factorization.

17255485745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158019.

The product of its digits is 7840000, while the sum is 53.

The spelling of 17255485745 in words is "seventeen billion, two hundred fifty-five million, four hundred eighty-five thousand, seven hundred forty-five".