320133123211105 has 4 divisors (see below), whose sum is σ = 384159747853332. Its totient is φ = 256106498568880.

The previous prime is 320133123211037. The next prime is 320133123211151. The reversal of 320133123211105 is 501112321331023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134844210715536 + 185288912495569 = 11612244^2 + 13612087^2 .

It is a de Polignac number, because none of the positive numbers 2^k-320133123211105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32013312321106 + ... + 32013312321115.

It is an arithmetic number, because the mean of its divisors is an integer number (96039936963333).

Almost surely, 2^{320133123211105} is an apocalyptic number.

It is an amenable number.

320133123211105 is a deficient number, since it is larger than the sum of its proper divisors (64026624642227).

320133123211105 is an equidigital number, since it uses as much as digits as its factorization.

320133123211105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64026624642226.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 320133123211105 its reverse (501112321331023), we get a palindrome (821245444542128).

The spelling of 320133123211105 in words is "three hundred twenty trillion, one hundred thirty-three billion, one hundred twenty-three million, two hundred eleven thousand, one hundred five".