11143344311 has 4 divisors (see below), whose sum is σ = 12156375624. Its totient is φ = 10130313000.

The previous prime is 11143344301. The next prime is 11143344319. The reversal of 11143344311 is 11344334111.

11143344311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11143344311 - 2²⁶ = 11076235447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143344319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506515640 + ... + 506515661.

It is an arithmetic number, because the mean of its divisors is an integer number (3039093906).

Almost surely, 2^11143344311 is an apocalyptic number.

11143344311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11143344311 is a deficient number, since it is larger than the sum of its proper divisors (1013031313).

11143344311 is a wasteful number, since it uses less digits than its factorization.

11143344311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013031312.

The product of its digits is 1728, while the sum is 26.

Adding to 11143344311 its reverse (11344334111), we get a palindrome (22487678422).

The spelling of 11143344311 in words is "eleven billion, one hundred forty-three million, three hundred forty-four thousand, three hundred eleven".