11001100001 has 4 divisors (see below), whose sum is σ = 11050432512. Its totient is φ = 10951767492.

The previous prime is 11001099953. The next prime is 11001100013. The reversal of 11001100001 is 10000110011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001100021) 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, 24665921 + ... + 24666366.

It is an arithmetic number, because the mean of its divisors is an integer number (2762608128).

Almost surely, 2^11001100001 is an apocalyptic number.

It is an amenable number.

11001100001 is a deficient number, since it is larger than the sum of its proper divisors (49332511).

11001100001 is an equidigital number, since it uses as much as digits as its factorization.

11001100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49332510.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 11001100001 its reverse (10000110011), we get a palindrome (21001210012).

The spelling of 11001100001 in words is "eleven billion, one million, one hundred thousand, one".