11240243311 has 16 divisors (see below), whose sum is σ = 13259635200. Its totient is φ = 9412689280.

The previous prime is 11240243299. The next prime is 11240243327. The reversal of 11240243311 is 11334204211.

It is a cyclic number.

It is not a de Polignac number, because 11240243311 - 2⁹ = 11240242799 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 (11240243351) 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, 630661 + ... + 648238.

It is an arithmetic number, because the mean of its divisors is an integer number (828727200).

Almost surely, 2^11240243311 is an apocalyptic number.

11240243311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11240243311 is a deficient number, since it is larger than the sum of its proper divisors (2019391889).

11240243311 is a wasteful number, since it uses less digits than its factorization.

11240243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278974.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11240243311 its reverse (11334204211), we get a palindrome (22574447522).

The spelling of 11240243311 in words is "eleven billion, two hundred forty million, two hundred forty-three thousand, three hundred eleven".