11040641 has 4 divisors (see below), whose sum is σ = 11076912. Its totient is φ = 11004372.

The previous prime is 11040587. The next prime is 11040647. The reversal of 11040641 is 14604011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11040641 - 2¹⁰ = 11039617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040647) by changing a digit.

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, 17675 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (2769228).

Almost surely, 2^11040641 is an apocalyptic number.

It is an amenable number.

11040641 is a deficient number, since it is larger than the sum of its proper divisors (36271).

11040641 is an equidigital number, since it uses as much as digits as its factorization.

11040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36270.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11040641 is about 3322.7460029319. The cubic root of 11040641 is about 222.6715656927.

Adding to 11040641 its reverse (14604011), we get a palindrome (25644652).

The spelling of 11040641 in words is "eleven million, forty thousand, six hundred forty-one".