11004005 has 16 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 8329728.

The previous prime is 11003957. The next prime is 11004017. The reversal of 11004005 is 50040011.

It is a cyclic number.

It is not a de Polignac number, because 11004005 - 2⁸ = 11003749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11381 + ... + 12309.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^11004005 is an apocalyptic number.

It is an amenable number.

11004005 is a deficient number, since it is larger than the sum of its proper divisors (2923675).

11004005 is a wasteful number, since it uses less digits than its factorization.

11004005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

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

The square root of 11004005 is about 3317.2285118755. The cubic root of 11004005 is about 222.4249968130.

Adding to 11004005 its reverse (50040011), we get a palindrome (61044016).

The spelling of 11004005 in words is "eleven million, four thousand, five".