518479800159 has 4 divisors (see below), whose sum is σ = 691306400216. Its totient is φ = 345653200104.

The previous prime is 518479800151. The next prime is 518479800169. The reversal of 518479800159 is 951008974815.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 518479800159 - 2³ = 518479800151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518479800099 and 518479800108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518479800151) 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, 86413300024 + ... + 86413300029.

It is an arithmetic number, because the mean of its divisors is an integer number (172826600054).

Almost surely, 2^518479800159 is an apocalyptic number.

518479800159 is a deficient number, since it is larger than the sum of its proper divisors (172826600057).

518479800159 is a wasteful number, since it uses less digits than its factorization.

518479800159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172826600056.

The product of its (nonzero) digits is 3628800, while the sum is 57.

The spelling of 518479800159 in words is "five hundred eighteen billion, four hundred seventy-nine million, eight hundred thousand, one hundred fifty-nine".