320427135115 has 32 divisors (see below), whose sum is σ = 393077836800. Its totient is φ = 250700386560.

The previous prime is 320427135103. The next prime is 320427135131. The reversal of 320427135115 is 511531724023.

It is not a de Polignac number, because 320427135115 - 2⁷ = 320427134987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29437464 + ... + 29448346.

It is an arithmetic number, because the mean of its divisors is an integer number (12283682400).

Almost surely, 2^320427135115 is an apocalyptic number.

320427135115 is a deficient number, since it is larger than the sum of its proper divisors (72650701685).

320427135115 is a wasteful number, since it uses less digits than its factorization.

320427135115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11667.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 320427135115 its reverse (511531724023), we get a palindrome (831958859138).

The spelling of 320427135115 in words is "three hundred twenty billion, four hundred twenty-seven million, one hundred thirty-five thousand, one hundred fifteen".