320255403401105 has 16 divisors (see below), whose sum is σ = 394983110937600. Its totient is φ = 249156012960192.

The previous prime is 320255403401093. The next prime is 320255403401111. The reversal of 320255403401105 is 501104304552023.

It is a cyclic number.

It is not a de Polignac number, because 320255403401105 - 2³⁶ = 320186683924369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4340055305 + ... + 4340129094.

It is an arithmetic number, because the mean of its divisors is an integer number (24686444433600).

Almost surely, 2^{320255403401105} is an apocalyptic number.

It is an amenable number.

320255403401105 is a deficient number, since it is larger than the sum of its proper divisors (74727707536495).

320255403401105 is a wasteful number, since it uses less digits than its factorization.

320255403401105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680184608.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 320255403401105 its reverse (501104304552023), we get a palindrome (821359707953128).

The spelling of 320255403401105 in words is "three hundred twenty trillion, two hundred fifty-five billion, four hundred three million, four hundred one thousand, one hundred five".