11160665 has 4 divisors (see below), whose sum is σ = 13392804. Its totient is φ = 8928528.

The previous prime is 11160647. The next prime is 11160673. The reversal of 11160665 is 56606111.

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 5148361 + 6012304 = 2269^2 + 2452^2 .

It is a cyclic number.

It is not a de Polignac number, because 11160665 - 2¹⁴ = 11144281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116062 + ... + 1116071.

It is an arithmetic number, because the mean of its divisors is an integer number (3348201).

Almost surely, 2^11160665 is an apocalyptic number.

It is an amenable number.

11160665 is a deficient number, since it is larger than the sum of its proper divisors (2232139).

11160665 is an equidigital number, since it uses as much as digits as its factorization.

11160665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232138.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 11160665 is about 3340.7581474869. The cubic root of 11160665 is about 223.4755548172.

Adding to 11160665 its reverse (56606111), we get a palindrome (67766776).

The spelling of 11160665 in words is "eleven million, one hundred sixty thousand, six hundred sixty-five".