518117748411 has 16 divisors (see below), whose sum is σ = 691706860416. Its totient is φ = 344970351936.

The previous prime is 518117748403. The next prime is 518117748431. The reversal of 518117748411 is 114847711815.

It is not a de Polignac number, because 518117748411 - 2³ = 518117748403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (518117748431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30409951 + ... + 30426983.

It is an arithmetic number, because the mean of its divisors is an integer number (43231678776).

Almost surely, 2^518117748411 is an apocalyptic number.

518117748411 is a deficient number, since it is larger than the sum of its proper divisors (173589112005).

518117748411 is a wasteful number, since it uses less digits than its factorization.

518117748411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29402.

The product of its digits is 250880, while the sum is 48.

The spelling of 518117748411 in words is "five hundred eighteen billion, one hundred seventeen million, seven hundred forty-eight thousand, four hundred eleven".