11013811 has 2 divisors, whose sum is σ = 11013812. Its totient is φ = 11013810.

The previous prime is 11013791. The next prime is 11013829. The reversal of 11013811 is 11831011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11013811 - 2⁷ = 11013683 is a prime.

It is not a weakly prime, because it can be changed into another prime (11013911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506905 + 5506906.

It is an arithmetic number, because the mean of its divisors is an integer number (5506906).

Almost surely, 2^11013811 is an apocalyptic number.

11013811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013811 is an equidigital number, since it uses as much as digits as its factorization.

11013811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 11013811 is about 3318.7062238167. The cubic root of 11013811 is about 222.4910470664.

Adding to 11013811 its reverse (11831011), we get a palindrome (22844822).

The spelling of 11013811 in words is "eleven million, thirteen thousand, eight hundred eleven".