13320444211 has 4 divisors (see below), whose sum is σ = 13320728512. Its totient is φ = 13320159912.

The previous prime is 13320444187. The next prime is 13320444329. The reversal of 13320444211 is 11244402331.

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

It is a cyclic number.

It is not a de Polignac number, because 13320444211 - 2¹⁵ = 13320411443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320444611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53400 + ... + 171733.

It is an arithmetic number, because the mean of its divisors is an integer number (3330182128).

Almost surely, 2^13320444211 is an apocalyptic number.

13320444211 is a deficient number, since it is larger than the sum of its proper divisors (284301).

13320444211 is an equidigital number, since it uses as much as digits as its factorization.

13320444211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284300.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13320444211 its reverse (11244402331), we get a palindrome (24564846542).

The spelling of 13320444211 in words is "thirteen billion, three hundred twenty million, four hundred forty-four thousand, two hundred eleven".