11110989 has 16 divisors (see below), whose sum is σ = 15710720. Its totient is φ = 6972480.

The previous prime is 11110963. The next prime is 11110999. The reversal of 11110989 is 98901111.

It is a happy number.

11110989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11110989 - 2¹¹ = 11108941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (981920).

Almost surely, 2^11110989 is an apocalyptic number.

It is an amenable number.

11110989 is a deficient number, since it is larger than the sum of its proper divisors (4599731).

11110989 is a wasteful number, since it uses less digits than its factorization.

11110989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

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

The square root of 11110989 is about 3333.3150166163. The cubic root of 11110989 is about 223.1434992390.

The spelling of 11110989 in words is "eleven million, one hundred ten thousand, nine hundred eighty-nine".