11285845 has 4 divisors (see below), whose sum is σ = 13543020. Its totient is φ = 9028672.

The previous prime is 11285839. The next prime is 11285849. The reversal of 11285845 is 54858211.

11285845 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 4844401 + 6441444 = 2201^2 + 2538^2 .

It is a cyclic number.

It is not a de Polignac number, because 11285845 - 2³ = 11285837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11285845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11285849) 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, 1128580 + ... + 1128589.

It is an arithmetic number, because the mean of its divisors is an integer number (3385755).

Almost surely, 2^11285845 is an apocalyptic number.

It is an amenable number.

11285845 is a deficient number, since it is larger than the sum of its proper divisors (2257175).

11285845 is an equidigital number, since it uses as much as digits as its factorization.

11285845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257174.

The product of its digits is 12800, while the sum is 34.

The square root of 11285845 is about 3359.4411737669. The cubic root of 11285845 is about 224.3079642126.

The spelling of 11285845 in words is "eleven million, two hundred eighty-five thousand, eight hundred forty-five".