320042600115 has 64 divisors (see below), whose sum is σ = 603077529600. Its totient is φ = 144856387200.

The previous prime is 320042600099. The next prime is 320042600159. The reversal of 320042600115 is 511006240023.

It is not a de Polignac number, because 320042600115 - 2⁴ = 320042600099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211702 + ... + 827588.

It is an arithmetic number, because the mean of its divisors is an integer number (9423086400).

Almost surely, 2^320042600115 is an apocalyptic number.

320042600115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

320042600115 is a deficient number, since it is larger than the sum of its proper divisors (283034929485).

320042600115 is a wasteful number, since it uses less digits than its factorization.

320042600115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616017 (or 616003 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 320042600115 its reverse (511006240023), we get a palindrome (831048840138).

The spelling of 320042600115 in words is "three hundred twenty billion, forty-two million, six hundred thousand, one hundred fifteen".