11041191 has 24 divisors (see below), whose sum is σ = 18904704. Its totient is φ = 6308280.

The previous prime is 11041189. The next prime is 11041213. The reversal of 11041191 is 19114011.

It is not a de Polignac number, because 11041191 - 2¹ = 11041189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041111) 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 in 23 ways as a sum of consecutive naturals, for example, 1545 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (787696).

Almost surely, 2^11041191 is an apocalyptic number.

11041191 is a deficient number, since it is larger than the sum of its proper divisors (7863513).

11041191 is an frugal number, since it uses more digits than its factorization.

11041191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6501 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 11041191 is about 3322.8287647726. The cubic root of 11041191 is about 222.6752631631.

The spelling of 11041191 in words is "eleven million, forty-one thousand, one hundred ninety-one".