11004404042 has 4 divisors (see below), whose sum is σ = 16506606066. Its totient is φ = 5502202020.

The previous prime is 11004404017. The next prime is 11004404083. The reversal of 11004404042 is 24040440011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10961880601 + 42523441 = 104699^2 + 6521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751101009 + ... + 2751101012.

Almost surely, 2^11004404042 is an apocalyptic number.

11004404042 is a deficient number, since it is larger than the sum of its proper divisors (5502202024).

11004404042 is an equidigital number, since it uses as much as digits as its factorization.

11004404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502202023.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11004404042 its reverse (24040440011), we get a palindrome (35044844053).

The spelling of 11004404042 in words is "eleven billion, four million, four hundred four thousand, forty-two".