8081315305 has 32 divisors (see below), whose sum is σ = 11963635200. Its totient is φ = 5117747712.

The previous prime is 8081315293. The next prime is 8081315317. The reversal of 8081315305 is 5035131808.

It is an interprime number because it is at equal distance from previous prime (8081315293) and next prime (8081315317).

It is not a de Polignac number, because 8081315305 - 2²¹ = 8079218153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149740 + ... + 196429.

It is an arithmetic number, because the mean of its divisors is an integer number (373863600).

Almost surely, 2^8081315305 is an apocalyptic number.

It is an amenable number.

8081315305 is a deficient number, since it is larger than the sum of its proper divisors (3882319895).

8081315305 is a wasteful number, since it uses less digits than its factorization.

8081315305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346233.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 8081315305 is about 89896.1362072920. The cubic root of 8081315305 is about 2006.7534452372.

The spelling of 8081315305 in words is "eight billion, eighty-one million, three hundred fifteen thousand, three hundred five".