11042044001 has 4 divisors (see below), whose sum is σ = 11079730452. Its totient is φ = 11004357552.

The previous prime is 11042043997. The next prime is 11042044007. The reversal of 11042044001 is 10044024011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7729926400 + 3312117601 = 87920^2 + 57551^2 .

It is a cyclic number.

It is not a de Polignac number, because 11042044001 - 2² = 11042043997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042044007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18842786 + ... + 18843371.

It is an arithmetic number, because the mean of its divisors is an integer number (2769932613).

Almost surely, 2^11042044001 is an apocalyptic number.

It is an amenable number.

11042044001 is a deficient number, since it is larger than the sum of its proper divisors (37686451).

11042044001 is an equidigital number, since it uses as much as digits as its factorization.

11042044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37686450.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11042044001 its reverse (10044024011), we get a palindrome (21086068012).

The spelling of 11042044001 in words is "eleven billion, forty-two million, forty-four thousand, one".