11208191 has 2 divisors, whose sum is σ = 11208192. Its totient is φ = 11208190.

The previous prime is 11208179. The next prime is 11208193. The reversal of 11208191 is 19180211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11208191 - 2²² = 7013887 is a prime.

Together with 11208193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11208193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604095 + 5604096.

It is an arithmetic number, because the mean of its divisors is an integer number (5604096).

Almost surely, 2^11208191 is an apocalyptic number.

11208191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11208191 is an equidigital number, since it uses as much as digits as its factorization.

11208191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 11208191 is about 3347.8636471637. The cubic root of 11208191 is about 223.7923178701.

The spelling of 11208191 in words is "eleven million, two hundred eight thousand, one hundred ninety-one".