11099889 has 32 divisors (see below), whose sum is σ = 17364480. Its totient is φ = 6998400.

The previous prime is 11099873. The next prime is 11099897. The reversal of 11099889 is 98899011.

It is not a de Polignac number, because 11099889 - 2⁴ = 11099873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40824 + ... + 41094.

It is an arithmetic number, because the mean of its divisors is an integer number (542640).

Almost surely, 2^11099889 is an apocalyptic number.

It is an amenable number.

11099889 is a deficient number, since it is larger than the sum of its proper divisors (6264591).

11099889 is a wasteful number, since it uses less digits than its factorization.

11099889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The square root of 11099889 is about 3331.6495914186. The cubic root of 11099889 is about 223.0691668787.

It can be divided in two parts, 1109 and 9889, that multiplied together give a palindrome (10966901).

The spelling of 11099889 in words is "eleven million, ninety-nine thousand, eight hundred eighty-nine".