11152565 has 4 divisors (see below), whose sum is σ = 13383084. Its totient is φ = 8922048.

The previous prime is 11152543. The next prime is 11152567. The reversal of 11152565 is 56525111.

11152565 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: 56525111 = 109 ⋅518579.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 9186961 = 1402^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 11152565 - 2¹² = 11148469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152567) 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, 1115252 + ... + 1115261.

It is an arithmetic number, because the mean of its divisors is an integer number (3345771).

Almost surely, 2^11152565 is an apocalyptic number.

It is an amenable number.

11152565 is a deficient number, since it is larger than the sum of its proper divisors (2230519).

11152565 is an equidigital number, since it uses as much as digits as its factorization.

11152565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230518.

The product of its digits is 1500, while the sum is 26.

The square root of 11152565 is about 3339.5456277763. The cubic root of 11152565 is about 223.4214782878.

Adding to 11152565 its reverse (56525111), we get a palindrome (67677676).

The spelling of 11152565 in words is "eleven million, one hundred fifty-two thousand, five hundred sixty-five".