11191041 has 20 divisors (see below), whose sum is σ = 17447232. Its totient is φ = 7135128.

The previous prime is 11191039. The next prime is 11191043. The reversal of 11191041 is 14019111.

It is an interprime number because it is at equal distance from previous prime (11191039) and next prime (11191043).

It is not a de Polignac number, because 11191041 - 2¹ = 11191039 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11191043) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1141 + ... + 4866.

Almost surely, 2^11191041 is an apocalyptic number.

It is an amenable number.

11191041 is a deficient number, since it is larger than the sum of its proper divisors (6256191).

11191041 is an equidigital number, since it uses as much as digits as its factorization.

11191041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042 (or 6033 counting only the distinct ones).

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

The square root of 11191041 is about 3345.3013317189. The cubic root of 11191041 is about 223.6781157511.

The spelling of 11191041 in words is "eleven million, one hundred ninety-one thousand, forty-one".