518571414132 has 12 divisors (see below), whose sum is σ = 1209999966336. Its totient is φ = 172857138040.

The previous prime is 518571414131. The next prime is 518571414181. The reversal of 518571414132 is 231414175815.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518571414131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21607142244 + ... + 21607142267.

It is an arithmetic number, because the mean of its divisors is an integer number (100833330528).

Almost surely, 2^518571414132 is an apocalyptic number.

It is an amenable number.

518571414132 is an abundant number, since it is smaller than the sum of its proper divisors (691428552204).

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

518571414132 is a wasteful number, since it uses less digits than its factorization.

518571414132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43214284518 (or 43214284516 counting only the distinct ones).

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

Adding to 518571414132 its reverse (231414175815), we get a palindrome (749985589947).

The spelling of 518571414132 in words is "five hundred eighteen billion, five hundred seventy-one million, four hundred fourteen thousand, one hundred thirty-two".