11289529 has 4 divisors (see below), whose sum is σ = 11309940. Its totient is φ = 11269120.

The previous prime is 11289517. The next prime is 11289559. The reversal of 11289529 is 92598211.

11289529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 714025 + 10575504 = 845^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 11289529 - 2⁹ = 11289017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11289559) 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, 9352 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (2827485).

Almost surely, 2^11289529 is an apocalyptic number.

It is an amenable number.

11289529 is a deficient number, since it is larger than the sum of its proper divisors (20411).

11289529 is an equidigital number, since it uses as much as digits as its factorization.

11289529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410.

The product of its digits is 12960, while the sum is 37.

The square root of 11289529 is about 3359.9894345072. The cubic root of 11289529 is about 224.3323682527.

The spelling of 11289529 in words is "eleven million, two hundred eighty-nine thousand, five hundred twenty-nine".