11404043243 has 2 divisors, whose sum is σ = 11404043244. Its totient is φ = 11404043242.

The previous prime is 11404043177. The next prime is 11404043279. The reversal of 11404043243 is 34234040411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11404043243 - 2²⁰ = 11402994667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11404063243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702021621 + 5702021622.

It is an arithmetic number, because the mean of its divisors is an integer number (5702021622).

Almost surely, 2^11404043243 is an apocalyptic number.

11404043243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404043243 is an equidigital number, since it uses as much as digits as its factorization.

11404043243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11404043243 its reverse (34234040411), we get a palindrome (45638083654).

The spelling of 11404043243 in words is "eleven billion, four hundred four million, forty-three thousand, two hundred forty-three".