11187065 has 4 divisors (see below), whose sum is σ = 13424484. Its totient is φ = 8949648.

The previous prime is 11187053. The next prime is 11187073. The reversal of 11187065 is 56078111.

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 7907344 + 3279721 = 2812^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 11187065 - 2¹⁴ = 11170681 is a prime.

It is a Duffinian 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, 1118702 + ... + 1118711.

It is an arithmetic number, because the mean of its divisors is an integer number (3356121).

Almost surely, 2^11187065 is an apocalyptic number.

It is an amenable number.

11187065 is a deficient number, since it is larger than the sum of its proper divisors (2237419).

11187065 is an equidigital number, since it uses as much as digits as its factorization.

11187065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237418.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 11187065 is about 3344.7070125797. The cubic root of 11187065 is about 223.6516228469.

The spelling of 11187065 in words is "eleven million, one hundred eighty-seven thousand, sixty-five".