517143157216012 has 6 divisors (see below), whose sum is σ = 905000525128028. Its totient is φ = 258571578608004.

The previous prime is 517143157215977. The next prime is 517143157216031. The reversal of 517143157216012 is 210612751341715.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64642894651998 + ... + 64642894652005.

Almost surely, 2^{517143157216012} is an apocalyptic number.

It is an amenable number.

517143157216012 is a deficient number, since it is larger than the sum of its proper divisors (387857367912016).

517143157216012 is a wasteful number, since it uses less digits than its factorization.

517143157216012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129285789304007 (or 129285789304005 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 517143157216012 in words is "five hundred seventeen trillion, one hundred forty-three billion, one hundred fifty-seven million, two hundred sixteen thousand, twelve".