11235865 has 4 divisors (see below), whose sum is σ = 13483044. Its totient is φ = 8988688.

The previous prime is 11235863. The next prime is 11235869. The reversal of 11235865 is 56853211.

11235865 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 1817104 + 9418761 = 1348^2 + 3069^2 .

It is a cyclic number.

It is not a de Polignac number, because 11235865 - 2¹ = 11235863 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 not an unprimeable number, because it can be changed into a prime (11235863) 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, 1123582 + ... + 1123591.

It is an arithmetic number, because the mean of its divisors is an integer number (3370761).

Almost surely, 2^11235865 is an apocalyptic number.

It is an amenable number.

11235865 is a deficient number, since it is larger than the sum of its proper divisors (2247179).

11235865 is an equidigital number, since it uses as much as digits as its factorization.

11235865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247178.

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

The square root of 11235865 is about 3351.9941825725. The cubic root of 11235865 is about 223.9763540622.

It can be divided in two parts, 11235 and 865, that added together give a square (12100 = 110²).

The spelling of 11235865 in words is "eleven million, two hundred thirty-five thousand, eight hundred sixty-five".