11808611 has 2 divisors, whose sum is σ = 11808612. Its totient is φ = 11808610.

The previous prime is 11808607. The next prime is 11808647. The reversal of 11808611 is 11680811.

It is a weak prime.

It is an emirp because it is prime and its reverse (11680811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11808611 - 2² = 11808607 is a prime.

It is a super-3 number, since 3×11808611³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11808691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5904305 + 5904306.

It is an arithmetic number, because the mean of its divisors is an integer number (5904306).

Almost surely, 2^11808611 is an apocalyptic number.

11808611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11808611 is an equidigital number, since it uses as much as digits as its factorization.

11808611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 26.

The square root of 11808611 is about 3436.3659583927. The cubic root of 11808611 is about 227.7191769315.

The spelling of 11808611 in words is "eleven million, eight hundred eight thousand, six hundred eleven".