11001100003 has 4 divisors (see below), whose sum is σ = 11009544208. Its totient is φ = 10992655800.

The previous prime is 11001099953. The next prime is 11001100013. The reversal of 11001100003 is 30000110011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11001100003 - 2²⁵ = 10967545571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001100013) 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, 4220148 + ... + 4222753.

It is an arithmetic number, because the mean of its divisors is an integer number (2752386052).

Almost surely, 2^11001100003 is an apocalyptic number.

11001100003 is a deficient number, since it is larger than the sum of its proper divisors (8444205).

11001100003 is an equidigital number, since it uses as much as digits as its factorization.

11001100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444204.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 11001100003 its reverse (30000110011), we get a palindrome (41001210014).

The spelling of 11001100003 in words is "eleven billion, one million, one hundred thousand, three".