8118115317 has 12 divisors (see below), whose sum is σ = 12628179564. Its totient is φ = 4995763200.

The previous prime is 8118115301. The next prime is 8118115403. The reversal of 8118115317 is 7135118118.

8118115317 is a `hidden beast` number, since 8 + 118 + 1 + 1 + 531 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2330861841 + 5787253476 = 48279^2 + 76074^2 .

It is not a de Polignac number, because 8118115317 - 2⁴ = 8118115301 is a prime.

It is a super-2 number, since 2×8118115317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118115217) 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, 34692684 + ... + 34692917.

It is an arithmetic number, because the mean of its divisors is an integer number (1052348297).

Almost surely, 2^8118115317 is an apocalyptic number.

It is an amenable number.

8118115317 is a deficient number, since it is larger than the sum of its proper divisors (4510064247).

8118115317 is a wasteful number, since it uses less digits than its factorization.

8118115317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69385620 (or 69385617 counting only the distinct ones).

The product of its digits is 6720, while the sum is 36.

The square root of 8118115317 is about 90100.5844431655. The cubic root of 8118115317 is about 2009.7948947912.

The spelling of 8118115317 in words is "eight billion, one hundred eighteen million, one hundred fifteen thousand, three hundred seventeen".