11108591 has 8 divisors (see below), whose sum is σ = 12218304. Its totient is φ = 10035360.

The previous prime is 11108567. The next prime is 11108611. The reversal of 11108591 is 19580111.

11108591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11108591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11108591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11108551) 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, 8480 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (1527288).

Almost surely, 2^11108591 is an apocalyptic number.

11108591 is a deficient number, since it is larger than the sum of its proper divisors (1109713).

11108591 is a wasteful number, since it uses less digits than its factorization.

11108591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18241.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 11108591 is about 3332.9552952297. The cubic root of 11108591 is about 223.1274449643.

The spelling of 11108591 in words is "eleven million, one hundred eight thousand, five hundred ninety-one".