10811191 has 2 divisors, whose sum is σ = 10811192. Its totient is φ = 10811190.

The previous prime is 10811183. The next prime is 10811197. The reversal of 10811191 is 19111801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10811191 - 2³ = 10811183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10811197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5405595 + 5405596.

It is an arithmetic number, because the mean of its divisors is an integer number (5405596).

Almost surely, 2^10811191 is an apocalyptic number.

10811191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10811191 is an equidigital number, since it uses as much as digits as its factorization.

10811191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 10811191 is about 3288.0375606127. The cubic root of 10811191 is about 221.1182117045.

Adding to 10811191 its reverse (19111801), we get a palindrome (29922992).

The spelling of 10811191 in words is "ten million, eight hundred eleven thousand, one hundred ninety-one".