320255941515 has 32 divisors (see below), whose sum is σ = 546192590400. Its totient is φ = 159677005824.

The previous prime is 320255941471. The next prime is 320255941567. The reversal of 320255941515 is 515149552023.

It is not a de Polignac number, because 320255941515 - 2⁷ = 320255941387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4176454 + ... + 4252443.

It is an arithmetic number, because the mean of its divisors is an integer number (17068518450).

Almost surely, 2^320255941515 is an apocalyptic number.

320255941515 is a deficient number, since it is larger than the sum of its proper divisors (225936648885).

320255941515 is a wasteful number, since it uses less digits than its factorization.

320255941515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8429071.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 320255941515 in words is "three hundred twenty billion, two hundred fifty-five million, nine hundred forty-one thousand, five hundred fifteen".