11001100011011 has 8 divisors (see below), whose sum is σ = 12015711751104. Its totient is φ = 9988906894120.

The previous prime is 11001100010933. The next prime is 11001100011073. The reversal of 11001100011011 is 11011000110011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11001100011011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11001100011011.

It is not an unprimeable number, because it can be changed into a prime (11001100211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604646285 + ... + 604664478.

It is an arithmetic number, because the mean of its divisors is an integer number (1501963968888).

Almost surely, 2^{11001100011011} is an apocalyptic number.

11001100011011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001100011011 is a deficient number, since it is larger than the sum of its proper divisors (1014611740093).

11001100011011 is a wasteful number, since it uses less digits than its factorization.

11001100011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209311601.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11001100011011 its reverse (11011000110011), we get a palindrome (22012100121022).

The spelling of 11001100011011 in words is "eleven trillion, one billion, one hundred million, eleven thousand, eleven".