8518171344113 has 12 divisors (see below), whose sum is σ = 9011913756720. Its totient is φ = 8049649568136.

The previous prime is 8518171344107. The next prime is 8518171344187. The reversal of 8518171344113 is 3114431718158.

It is not a de Polignac number, because 8518171344113 - 2¹⁶ = 8518171278577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8518171344713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96958523 + ... + 97046336.

It is an arithmetic number, because the mean of its divisors is an integer number (750992813060).

Almost surely, 2^{8518171344113} is an apocalyptic number.

8518171344113 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

8518171344113 is a deficient number, since it is larger than the sum of its proper divisors (493742412607).

8518171344113 is a wasteful number, since it uses less digits than its factorization.

8518171344113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194004988 (or 194004965 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The spelling of 8518171344113 in words is "eight trillion, five hundred eighteen billion, one hundred seventy-one million, three hundred forty-four thousand, one hundred thirteen".