11162191 has 2 divisors, whose sum is σ = 11162192. Its totient is φ = 11162190.

The previous prime is 11162189. The next prime is 11162233. The reversal of 11162191 is 19126111.

11162191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19126111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11162191 - 2¹ = 11162189 is a prime.

Together with 11162189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11162491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581095 + 5581096.

It is an arithmetic number, because the mean of its divisors is an integer number (5581096).

Almost surely, 2^11162191 is an apocalyptic number.

11162191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11162191 is an equidigital number, since it uses as much as digits as its factorization.

11162191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 22.

The square root of 11162191 is about 3340.9865309516. The cubic root of 11162191 is about 223.4857396390.

The spelling of 11162191 in words is "eleven million, one hundred sixty-two thousand, one hundred ninety-one".