11001100111101 has 16 divisors (see below), whose sum is σ = 16298120101120. Its totient is φ = 7333979436000.

The previous prime is 11001100111087. The next prime is 11001100111153. The reversal of 11001100111101 is 10111100110011.

It is not a de Polignac number, because 11001100111101 - 2⁶ = 11001100111037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001100111601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73525 + ... + 4691226.

It is an arithmetic number, because the mean of its divisors is an integer number (1018632506320).

Almost surely, 2^{11001100111101} is an apocalyptic number.

It is an amenable number.

11001100111101 is a deficient number, since it is larger than the sum of its proper divisors (5297019990019).

11001100111101 is an equidigital number, since it uses as much as digits as its factorization.

11001100111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850273 (or 4850267 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11001100111101 its reverse (10111100110011), we get a palindrome (21112200221112).

The spelling of 11001100111101 in words is "eleven trillion, one billion, one hundred million, one hundred eleven thousand, one hundred one".