11340443321 has 4 divisors (see below), whose sum is σ = 11342911632. Its totient is φ = 11337975012.

The previous prime is 11340443291. The next prime is 11340443333. The reversal of 11340443321 is 12334404311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12334404311 = 4457 ⋅2767423.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11340443321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11340443021) 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, 1227251 + ... + 1236456.

It is an arithmetic number, because the mean of its divisors is an integer number (2835727908).

Almost surely, 2^11340443321 is an apocalyptic number.

It is an amenable number.

11340443321 is a deficient number, since it is larger than the sum of its proper divisors (2468311).

11340443321 is an equidigital number, since it uses as much as digits as its factorization.

11340443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468310.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11340443321 its reverse (12334404311), we get a palindrome (23674847632).

The spelling of 11340443321 in words is "eleven billion, three hundred forty million, four hundred forty-three thousand, three hundred twenty-one".