11183891 has 2 divisors, whose sum is σ = 11183892. Its totient is φ = 11183890.

The previous prime is 11183881. The next prime is 11183897. The reversal of 11183891 is 19838111.

11183891 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 a cyclic number.

It is not a de Polignac number, because 11183891 - 2¹⁰ = 11182867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11183897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591945 + 5591946.

It is an arithmetic number, because the mean of its divisors is an integer number (5591946).

Almost surely, 2^11183891 is an apocalyptic number.

11183891 is a deficient number, since it is larger than the sum of its proper divisors (1).

11183891 is an equidigital number, since it uses as much as digits as its factorization.

11183891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 32.

The square root of 11183891 is about 3344.2324978984. The cubic root of 11183891 is about 223.6304693273.

The spelling of 11183891 in words is "eleven million, one hundred eighty-three thousand, eight hundred ninety-one".