11004042005 has 16 divisors (see below), whose sum is σ = 14485780800. Its totient is φ = 7958223360.

The previous prime is 11004041981. The next prime is 11004042031. The reversal of 11004042005 is 50024040011.

It is not a de Polignac number, because 11004042005 - 2⁸ = 11004041749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549020 + ... + 568709.

It is an arithmetic number, because the mean of its divisors is an integer number (905361300).

Almost surely, 2^11004042005 is an apocalyptic number.

It is an amenable number.

11004042005 is a deficient number, since it is larger than the sum of its proper divisors (3481738795).

11004042005 is a wasteful number, since it uses less digits than its factorization.

11004042005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117924.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 11004042005 its reverse (50024040011), we get a palindrome (61028082016).

The spelling of 11004042005 in words is "eleven billion, four million, forty-two thousand, five".