11089191 has 8 divisors (see below), whose sum is σ = 14894064. Its totient is φ = 7338560.

The previous prime is 11089189. The next prime is 11089193. The reversal of 11089191 is 19198011.

It is a happy number.

11089191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11089189) and next prime (11089193).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11089191 - 2¹ = 11089189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11089193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13080 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (1861758).

Almost surely, 2^11089191 is an apocalyptic number.

11089191 is a deficient number, since it is larger than the sum of its proper divisors (3804873).

11089191 is a wasteful number, since it uses less digits than its factorization.

11089191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27121.

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 11089191 is about 3330.0436934070. The cubic root of 11089191 is about 222.9974796447.

The spelling of 11089191 in words is "eleven million, eighty-nine thousand, one hundred ninety-one".