11340243311 has 8 divisors (see below), whose sum is σ = 11849241600. Its totient is φ = 10832573752.

The previous prime is 11340243251. The next prime is 11340243349. The reversal of 11340243311 is 11334204311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11340243311 - 2¹⁴ = 11340226927 is a prime.

It is a super-2 number, since 2×11340243311² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11340243361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314711 + ... + 348888.

It is an arithmetic number, because the mean of its divisors is an integer number (1481155200).

Almost surely, 2^11340243311 is an apocalyptic number.

11340243311 is a deficient number, since it is larger than the sum of its proper divisors (508998289).

11340243311 is an equidigital number, since it uses as much as digits as its factorization.

11340243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664365.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11340243311 its reverse (11334204311), we get a palindrome (22674447622).

The spelling of 11340243311 in words is "eleven billion, three hundred forty million, two hundred forty-three thousand, three hundred eleven".