11255689 has 4 divisors (see below), whose sum is σ = 11530260. Its totient is φ = 10981120.

The previous prime is 11255687. The next prime is 11255693. The reversal of 11255689 is 98655211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 9815689 = 1200^2 + 3133^2 .

It is a cyclic number.

It is not a de Polignac number, because 11255689 - 2¹ = 11255687 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11255681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137224 + ... + 137305.

It is an arithmetic number, because the mean of its divisors is an integer number (2882565).

Almost surely, 2^11255689 is an apocalyptic number.

It is an amenable number.

11255689 is a deficient number, since it is larger than the sum of its proper divisors (274571).

11255689 is an equidigital number, since it uses as much as digits as its factorization.

11255689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274570.

The product of its digits is 21600, while the sum is 37.

The square root of 11255689 is about 3354.9499251107. The cubic root of 11255689 is about 224.1080009061.

The spelling of 11255689 in words is "eleven million, two hundred fifty-five thousand, six hundred eighty-nine".