11144289 has 16 divisors (see below), whose sum is σ = 16436672. Its totient is φ = 6671808.

The previous prime is 11144281. The next prime is 11144303. The reversal of 11144289 is 98244111.

It is not a de Polignac number, because 11144289 - 2³ = 11144281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144281) 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, 2419 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (1027292).

Almost surely, 2^11144289 is an apocalyptic number.

It is an amenable number.

11144289 is a deficient number, since it is larger than the sum of its proper divisors (5292383).

11144289 is a wasteful number, since it uses less digits than its factorization.

11144289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776.

The product of its digits is 2304, while the sum is 30.

The square root of 11144289 is about 3338.3063070965. The cubic root of 11144289 is about 223.3661997124.

The spelling of 11144289 in words is "eleven million, one hundred forty-four thousand, two hundred eighty-nine".