11255989 has 8 divisors (see below), whose sum is σ = 11982168. Its totient is φ = 10536960.

The previous prime is 11255971. The next prime is 11256019. The reversal of 11255989 is 98955211.

11255989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7896100 + 3359889 = 2810^2 + 1833^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11255989 - 2⁷ = 11255861 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 (11255929) 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, 1669 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (1497771).

Almost surely, 2^11255989 is an apocalyptic number.

It is an amenable number.

11255989 is a deficient number, since it is larger than the sum of its proper divisors (726179).

11255989 is a wasteful number, since it uses less digits than its factorization.

11255989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its digits is 32400, while the sum is 40.

The square root of 11255989 is about 3354.9946348690. The cubic root of 11255989 is about 224.1099919527.

The spelling of 11255989 in words is "eleven million, two hundred fifty-five thousand, nine hundred eighty-nine".