11320811 has 2 divisors, whose sum is σ = 11320812. Its totient is φ = 11320810.

The previous prime is 11320753. The next prime is 11320819. The reversal of 11320811 is 11802311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11320811 - 2¹⁴ = 11304427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11320811.

It is not a weakly prime, because it can be changed into another prime (11320819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660405 + 5660406.

It is an arithmetic number, because the mean of its divisors is an integer number (5660406).

Almost surely, 2^11320811 is an apocalyptic number.

11320811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320811 is an equidigital number, since it uses as much as digits as its factorization.

11320811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 11320811 is about 3364.6412884585. The cubic root of 11320811 is about 224.5393769915.

The spelling of 11320811 in words is "eleven million, three hundred twenty thousand, eight hundred eleven".