8118015861936 has 40 divisors (see below), whose sum is σ = 21080201834800. Its totient is φ = 2691984531456.

The previous prime is 8118015861919. The next prime is 8118015861953. The reversal of 8118015861936 is 6391685108118.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8118015861919) and next prime (8118015861953).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438139261 + ... + 438157788.

It is an arithmetic number, because the mean of its divisors is an integer number (527005045870).

Almost surely, 2^{8118015861936} is an apocalyptic number.

It is an amenable number.

8118015861936 is an abundant number, since it is smaller than the sum of its proper divisors (12962185972864).

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

8118015861936 is a wasteful number, since it uses less digits than its factorization.

8118015861936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876297253 (or 876297247 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 57.

The spelling of 8118015861936 in words is "eight trillion, one hundred eighteen billion, fifteen million, eight hundred sixty-one thousand, nine hundred thirty-six".