517112363076545 has 8 divisors (see below), whose sum is σ = 620537051221224. Its totient is φ = 413688413441664.

The previous prime is 517112363076467. The next prime is 517112363076581. The reversal of 517112363076545 is 545670363211715.

It can be written as a sum of positive squares in 4 ways, for example, as 10584500161 + 517101778576384 = 102881^2 + 22739872^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 517112363076545 - 2¹⁰ = 517112363075521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183085814 + ... + 185888783.

It is an arithmetic number, because the mean of its divisors is an integer number (77567131402653).

Almost surely, 2^{517112363076545} is an apocalyptic number.

It is an amenable number.

517112363076545 is a deficient number, since it is larger than the sum of its proper divisors (103424688144679).

517112363076545 is a wasteful number, since it uses less digits than its factorization.

517112363076545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369254899.

The product of its (nonzero) digits is 15876000, while the sum is 56.

The spelling of 517112363076545 in words is "five hundred seventeen trillion, one hundred twelve billion, three hundred sixty-three million, seventy-six thousand, five hundred forty-five".