11323120811 has 2 divisors, whose sum is σ = 11323120812. Its totient is φ = 11323120810.

The previous prime is 11323120771. The next prime is 11323120819. The reversal of 11323120811 is 11802132311.

11323120811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11802132311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11323120811 - 2⁶ = 11323120747 is a prime.

It is not a weakly prime, because it can be changed into another prime (11323120819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661560405 + 5661560406.

It is an arithmetic number, because the mean of its divisors is an integer number (5661560406).

Almost surely, 2^11323120811 is an apocalyptic number.

11323120811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323120811 is an equidigital number, since it uses as much as digits as its factorization.

11323120811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 11323120811 in words is "eleven billion, three hundred twenty-three million, one hundred twenty thousand, eight hundred eleven".