815312271163 has 8 divisors (see below), whose sum is σ = 908305448400. Its totient is φ = 726644358048.

The previous prime is 815312271161. The next prime is 815312271203. The reversal of 815312271163 is 361172213518.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 815312271163 - 2¹ = 815312271161 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1081315633 + ... + 1081316386.

It is an arithmetic number, because the mean of its divisors is an integer number (113538181050).

Almost surely, 2^815312271163 is an apocalyptic number.

815312271163 is a deficient number, since it is larger than the sum of its proper divisors (92993177237).

815312271163 is a wasteful number, since it uses less digits than its factorization.

815312271163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162632061.

The product of its digits is 60480, while the sum is 40.

The spelling of 815312271163 in words is "eight hundred fifteen billion, three hundred twelve million, two hundred seventy-one thousand, one hundred sixty-three".