11140023311 has 4 divisors (see below), whose sum is σ = 11140234512. Its totient is φ = 11139812112.

The previous prime is 11140023299. The next prime is 11140023359. The reversal of 11140023311 is 11332004111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11332004111 = 19 ⋅596421269.

It is a cyclic number.

It is not a de Polignac number, because 11140023311 - 2¹⁰ = 11140022287 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 11140023311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140023371) 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, 47750 + ... + 156716.

It is an arithmetic number, because the mean of its divisors is an integer number (2785058628).

Almost surely, 2^11140023311 is an apocalyptic number.

11140023311 is a deficient number, since it is larger than the sum of its proper divisors (211201).

11140023311 is a wasteful number, since it uses less digits than its factorization.

11140023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211200.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11140023311 its reverse (11332004111), we get a palindrome (22472027422).

The spelling of 11140023311 in words is "eleven billion, one hundred forty million, twenty-three thousand, three hundred eleven".