11241665 has 4 divisors (see below), whose sum is σ = 13490004. Its totient is φ = 8993328.

The previous prime is 11241661. The next prime is 11241677. The reversal of 11241665 is 56614211.

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 6713281 + 4528384 = 2591^2 + 2128^2 .

It is a cyclic number.

It is not a de Polignac number, because 11241665 - 2² = 11241661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11241661) 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, 1124162 + ... + 1124171.

It is an arithmetic number, because the mean of its divisors is an integer number (3372501).

Almost surely, 2^11241665 is an apocalyptic number.

It is an amenable number.

11241665 is a deficient number, since it is larger than the sum of its proper divisors (2248339).

11241665 is an equidigital number, since it uses as much as digits as its factorization.

11241665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248338.

The product of its digits is 1440, while the sum is 26.

The square root of 11241665 is about 3352.8592275847. The cubic root of 11241665 is about 224.0148866063.

Adding to 11241665 its reverse (56614211), we get a palindrome (67855876).

The spelling of 11241665 in words is "eleven million, two hundred forty-one thousand, six hundred sixty-five".