815312271162 has 32 divisors (see below), whose sum is σ = 1657542261312. Its totient is φ = 267318849024.

The previous prime is 815312271161. The next prime is 815312271203. The reversal of 815312271162 is 261172213518.

It is a self number, because there is not a number n which added to its sum of digits gives 815312271162.

It is not an unprimeable number, because it can be changed into a prime (815312271161) 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, 4202313 + ... + 4392044.

It is an arithmetic number, because the mean of its divisors is an integer number (51798195666).

Almost surely, 2^815312271162 is an apocalyptic number.

815312271162 is an abundant number, since it is smaller than the sum of its proper divisors (842229990150).

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

815312271162 is a wasteful number, since it uses less digits than its factorization.

815312271162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594622.

The product of its digits is 40320, while the sum is 39.

The spelling of 815312271162 in words is "eight hundred fifteen billion, three hundred twelve million, two hundred seventy-one thousand, one hundred sixty-two".