11475811 has 2 divisors, whose sum is σ = 11475812. Its totient is φ = 11475810.

The previous prime is 11475773. The next prime is 11475817. The reversal of 11475811 is 11857411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11475811 - 2⁷ = 11475683 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11475811.

It is not a weakly prime, because it can be changed into another prime (11475817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5737905 + 5737906.

It is an arithmetic number, because the mean of its divisors is an integer number (5737906).

Almost surely, 2^11475811 is an apocalyptic number.

11475811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11475811 is an equidigital number, since it uses as much as digits as its factorization.

11475811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 28.

The square root of 11475811 is about 3387.5966406879. The cubic root of 11475811 is about 225.5595030150.

The spelling of 11475811 in words is "eleven million, four hundred seventy-five thousand, eight hundred eleven".