518127065124 has 12 divisors (see below), whose sum is σ = 1208963151984. Its totient is φ = 172709021704.

The previous prime is 518127065119. The next prime is 518127065173. The reversal of 518127065124 is 421560721815.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×518127065124² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21588627702 + ... + 21588627725.

It is an arithmetic number, because the mean of its divisors is an integer number (100746929332).

Almost surely, 2^518127065124 is an apocalyptic number.

It is an amenable number.

518127065124 is an abundant number, since it is smaller than the sum of its proper divisors (690836086860).

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

518127065124 is a wasteful number, since it uses less digits than its factorization.

518127065124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43177255434 (or 43177255432 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

Adding to 518127065124 its reverse (421560721815), we get a palindrome (939687786939).

The spelling of 518127065124 in words is "five hundred eighteen billion, one hundred twenty-seven million, sixty-five thousand, one hundred twenty-four".