11040005 has 8 divisors (see below), whose sum is σ = 13397400. Its totient is φ = 8732416.

The previous prime is 11039993. The next prime is 11040011. The reversal of 11040005 is 50004011.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 9597604 = 1201^2 + 3098^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11040005 - 2¹² = 11035909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11960 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (1674675).

Almost surely, 2^11040005 is an apocalyptic number.

It is an amenable number.

11040005 is a deficient number, since it is larger than the sum of its proper divisors (2357395).

11040005 is an equidigital number, since it uses as much as digits as its factorization.

11040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24903.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 11040005 is about 3322.6502975787. The cubic root of 11040005 is about 222.6672899194.

Adding to 11040005 its reverse (50004011), we get a palindrome (61044016).

The spelling of 11040005 in words is "eleven million, forty thousand, five".