11100110011011 has 32 divisors (see below), whose sum is σ = 19782986380800. Its totient is φ = 6009082109280.

The previous prime is 11100110011007. The next prime is 11100110011021. The reversal of 11100110011011 is 11011001100111.

It is not a de Polignac number, because 11100110011011 - 2² = 11100110011007 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 = 11100110010984 and 11100110011002.

It is not an unprimeable number, because it can be changed into a prime (11100110011021) 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 31 ways as a sum of consecutive naturals, for example, 1545542220 + ... + 1545549401.

It is an arithmetic number, because the mean of its divisors is an integer number (618218324400).

Almost surely, 2^{11100110011011} is an apocalyptic number.

11100110011011 is a deficient number, since it is larger than the sum of its proper divisors (8682876369789).

11100110011011 is a wasteful number, since it uses less digits than its factorization.

11100110011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091091656 (or 3091091650 counting only the distinct ones).

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

Adding to 11100110011011 its reverse (11011001100111), we get a palindrome (22111111111122).

The spelling of 11100110011011 in words is "eleven trillion, one hundred billion, one hundred ten million, eleven thousand, eleven".