11098191 has 16 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 6802656.

The previous prime is 11098163. The next prime is 11098193. The reversal of 11098191 is 19189011.

It is a happy number.

11098191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11098191 - 2⁵ = 11098159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11098193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14566 + ... + 15308.

It is an arithmetic number, because the mean of its divisors is an integer number (999936).

Almost surely, 2^11098191 is an apocalyptic number.

11098191 is a deficient number, since it is larger than the sum of its proper divisors (4900785).

11098191 is a wasteful number, since it uses less digits than its factorization.

11098191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

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

The square root of 11098191 is about 3331.3947529526. The cubic root of 11098191 is about 223.0577916670.

The spelling of 11098191 in words is "eleven million, ninety-eight thousand, one hundred ninety-one".