11491167 has 16 divisors (see below), whose sum is σ = 16299360. Its totient is φ = 7176192.

The previous prime is 11491159. The next prime is 11491177. The reversal of 11491167 is 76119411.

It is not a de Polignac number, because 11491167 - 2³ = 11491159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11491177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14559 + ... + 15327.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710).

Almost surely, 2^11491167 is an apocalyptic number.

11491167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11491167 is a deficient number, since it is larger than the sum of its proper divisors (4808193).

11491167 is a wasteful number, since it uses less digits than its factorization.

11491167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its digits is 1512, while the sum is 30.

The square root of 11491167 is about 3389.8623865874. The cubic root of 11491167 is about 225.6600666537.

The spelling of 11491167 in words is "eleven million, four hundred ninety-one thousand, one hundred sixty-seven".