517085555120 has 40 divisors (see below), whose sum is σ = 1272942972864. Its totient is φ = 194667502592.

The previous prime is 517085555071. The next prime is 517085555197. The reversal of 517085555120 is 21555580715.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190103624 + ... + 190106343.

Almost surely, 2^517085555120 is an apocalyptic number.

It is an amenable number.

517085555120 is an abundant number, since it is smaller than the sum of its proper divisors (755857417744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517085555120 is a wasteful number, since it uses less digits than its factorization.

517085555120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380209997 (or 380209991 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 44.

The spelling of 517085555120 in words is "five hundred seventeen billion, eighty-five million, five hundred fifty-five thousand, one hundred twenty".