11112344311 has 4 divisors (see below), whose sum is σ = 11222367624. Its totient is φ = 11002321000.

The previous prime is 11112344303. The next prime is 11112344339. The reversal of 11112344311 is 11344321111.

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 11112344311 - 2³ = 11112344303 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 (11112348311) 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, 55011505 + ... + 55011706.

It is an arithmetic number, because the mean of its divisors is an integer number (2805591906).

Almost surely, 2^11112344311 is an apocalyptic number.

11112344311 is a deficient number, since it is larger than the sum of its proper divisors (110023313).

11112344311 is a wasteful number, since it uses less digits than its factorization.

11112344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110023312.

The product of its digits is 288, while the sum is 22.

Adding to 11112344311 its reverse (11344321111), we get a palindrome (22456665422).

The spelling of 11112344311 in words is "eleven billion, one hundred twelve million, three hundred forty-four thousand, three hundred eleven".