11101100011011 has 12 divisors (see below), whose sum is σ = 16046112014088. Its totient is φ = 7395568828704.

The previous prime is 11101100010967. The next prime is 11101100011097. The reversal of 11101100011011 is 11011000110111.

It is not a de Polignac number, because 11101100011011 - 2⁶ = 11101100010947 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 11101100010984 and 11101100011002.

It is not an unprimeable number, because it can be changed into a prime (11101100012011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430362385 + ... + 430388178.

It is an arithmetic number, because the mean of its divisors is an integer number (1337176001174).

Almost surely, 2^{11101100011011} is an apocalyptic number.

11101100011011 is a deficient number, since it is larger than the sum of its proper divisors (4945012003077).

11101100011011 is a wasteful number, since it uses less digits than its factorization.

11101100011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860752002 (or 860751999 counting only the distinct ones).

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

Adding to 11101100011011 its reverse (11011000110111), we get a palindrome (22112100121122).

The spelling of 11101100011011 in words is "eleven trillion, one hundred one billion, one hundred million, eleven thousand, eleven".