517960508481 has 48 divisors (see below), whose sum is σ = 836599654800. Its totient is φ = 306609117696.

The previous prime is 517960508479. The next prime is 517960508537. The reversal of 517960508481 is 184805069715.

It is a happy number.

517960508481 is a `hidden beast` number, since 5 + 1 + 7 + 96 + 0 + 508 + 48 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3527290881 + 514433217600 = 59391^2 + 717240^2 .

It is not a de Polignac number, because 517960508481 - 2¹ = 517960508479 is a prime.

It is a super-2 number, since 2×517960508481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (517960508411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 628971 + ... + 1196463.

It is an arithmetic number, because the mean of its divisors is an integer number (17429159475).

Almost surely, 2^517960508481 is an apocalyptic number.

It is an amenable number.

517960508481 is a deficient number, since it is larger than the sum of its proper divisors (318639146319).

517960508481 is a wasteful number, since it uses less digits than its factorization.

517960508481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567810 (or 567807 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 517960508481 in words is "five hundred seventeen billion, nine hundred sixty million, five hundred eight thousand, four hundred eighty-one".