11144889 has 12 divisors (see below), whose sum is σ = 18398016. Its totient is φ = 6368472.

The previous prime is 11144879. The next prime is 11144891. The reversal of 11144889 is 98844111.

11144889 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 11144889 - 2⁸ = 11144633 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11144839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88389 + ... + 88514.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^11144889 is an apocalyptic number.

It is an amenable number.

11144889 is a deficient number, since it is larger than the sum of its proper divisors (7253127).

11144889 is a wasteful number, since it uses less digits than its factorization.

11144889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176916 (or 176913 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 11144889 is about 3338.3961718166. The cubic root of 11144889 is about 223.3702082623.

The spelling of 11144889 in words is "eleven million, one hundred forty-four thousand, eight hundred eighty-nine".