11091173 has 2 divisors, whose sum is σ = 11091174. Its totient is φ = 11091172.

The previous prime is 11091169. The next prime is 11091181. The reversal of 11091173 is 37119011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 214369 = 3298^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 11091173 - 2² = 11091169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11091103) 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, 5545586 + 5545587.

It is an arithmetic number, because the mean of its divisors is an integer number (5545587).

Almost surely, 2^11091173 is an apocalyptic number.

It is an amenable number.

11091173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11091173 is an equidigital number, since it uses as much as digits as its factorization.

11091173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11091173 is about 3330.3412738036. The cubic root of 11091173 is about 223.0107644934.

The spelling of 11091173 in words is "eleven million, ninety-one thousand, one hundred seventy-three".