11443344211 has 16 divisors (see below), whose sum is σ = 12505955616. Its totient is φ = 10407476736.

The previous prime is 11443344203. The next prime is 11443344217. The reversal of 11443344211 is 11244334411.

It is a cyclic number.

It is not a de Polignac number, because 11443344211 - 2³ = 11443344203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11443344211.

It is not an unprimeable number, because it can be changed into a prime (11443344217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388251 + ... + 416683.

It is an arithmetic number, because the mean of its divisors is an integer number (781622226).

Almost surely, 2^11443344211 is an apocalyptic number.

11443344211 is a deficient number, since it is larger than the sum of its proper divisors (1062611405).

11443344211 is a wasteful number, since it uses less digits than its factorization.

11443344211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28902.

The product of its digits is 4608, while the sum is 28.

Adding to 11443344211 its reverse (11244334411), we get a palindrome (22687678622).

The spelling of 11443344211 in words is "eleven billion, four hundred forty-three million, three hundred forty-four thousand, two hundred eleven".