517134111645 has 8 divisors (see below), whose sum is σ = 827414578656. Its totient is φ = 275804859536.

The previous prime is 517134111643. The next prime is 517134111707. The reversal of 517134111645 is 546111431715.

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 517134111645 - 2¹ = 517134111643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517134111643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17237803707 + ... + 17237803736.

It is an arithmetic number, because the mean of its divisors is an integer number (103426822332).

Almost surely, 2^517134111645 is an apocalyptic number.

It is an amenable number.

517134111645 is a deficient number, since it is larger than the sum of its proper divisors (310280467011).

517134111645 is a wasteful number, since it uses less digits than its factorization.

517134111645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34475607451.

The product of its digits is 50400, while the sum is 39.

The spelling of 517134111645 in words is "five hundred seventeen billion, one hundred thirty-four million, one hundred eleven thousand, six hundred forty-five".