517124944995 has 128 divisors (see below), whose sum is σ = 874953031680. Its totient is φ = 260467200000.

The previous prime is 517124944993. The next prime is 517124945023. The reversal of 517124944995 is 599449421715.

It is a Cunningham number, because it is equal to 719114²-1.

It is not a de Polignac number, because 517124944995 - 2¹ = 517124944993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (517124944993) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 2060258620 + ... + 2060258870.

It is an arithmetic number, because the mean of its divisors is an integer number (6835570560).

Almost surely, 2^517124944995 is an apocalyptic number.

517124944995 is a deficient number, since it is larger than the sum of its proper divisors (357828086685).

517124944995 is a wasteful number, since it uses less digits than its factorization.

517124944995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its digits is 16329600, while the sum is 60.

The spelling of 517124944995 in words is "five hundred seventeen billion, one hundred twenty-four million, nine hundred forty-four thousand, nine hundred ninety-five".