11321330243 has 2 divisors, whose sum is σ = 11321330244. Its totient is φ = 11321330242.

The previous prime is 11321330203. The next prime is 11321330261. The reversal of 11321330243 is 34203312311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11321330243 - 2²² = 11317135939 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321330203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660665121 + 5660665122.

It is an arithmetic number, because the mean of its divisors is an integer number (5660665122).

Almost surely, 2^11321330243 is an apocalyptic number.

11321330243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321330243 is an equidigital number, since it uses as much as digits as its factorization.

11321330243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11321330243 its reverse (34203312311), we get a palindrome (45524642554).

The spelling of 11321330243 in words is "eleven billion, three hundred twenty-one million, three hundred thirty thousand, two hundred forty-three".