11283565 has 4 divisors (see below), whose sum is σ = 13540284. Its totient is φ = 9026848.

The previous prime is 11283553. The next prime is 11283583. The reversal of 11283565 is 56538211.

11283565 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, and also an emirpimes, since its reverse is a distinct semiprime: 56538211 = 2591 ⋅21821.

It can be written as a sum of positive squares in 2 ways, for example, as 2319529 + 8964036 = 1523^2 + 2994^2 .

It is a cyclic number.

It is not a de Polignac number, because 11283565 - 2¹⁵ = 11250797 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128352 + ... + 1128361.

It is an arithmetic number, because the mean of its divisors is an integer number (3385071).

Almost surely, 2^11283565 is an apocalyptic number.

It is an amenable number.

11283565 is a deficient number, since it is larger than the sum of its proper divisors (2256719).

11283565 is an equidigital number, since it uses as much as digits as its factorization.

11283565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256718.

The product of its digits is 7200, while the sum is 31.

The square root of 11283565 is about 3359.1018144736. The cubic root of 11283565 is about 224.2928580744.

The spelling of 11283565 in words is "eleven million, two hundred eighty-three thousand, five hundred sixty-five".