11011100111100 has 108 divisors (see below), whose sum is σ = 35446483882264. Its totient is φ = 2856934074240.

The previous prime is 11011100111071. The next prime is 11011100111111. The reversal of 11011100111100 is 111100111011.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165298534 + ... + 165365133.

Almost surely, 2^{11011100111100} is an apocalyptic number.

11011100111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011100111100 is an abundant number, since it is smaller than the sum of its proper divisors (24435383771164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011100111100 is a wasteful number, since it uses less digits than its factorization.

11011100111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330663724 (or 330663714 counting only the distinct ones).

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

Adding to 11011100111100 its reverse (111100111011), we get a palindrome (11122200222111).

The spelling of 11011100111100 in words is "eleven trillion, eleven billion, one hundred million, one hundred eleven thousand, one hundred".