11011111111100 has 36 divisors (see below), whose sum is σ = 25299647062704. Its totient is φ = 4145359476480.

The previous prime is 11011111111093. The next prime is 11011111111141. The reversal of 11011111111100 is 111111111011.

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 11 ways as a sum of consecutive naturals, for example, 3238560392 + ... + 3238563791.

It is an arithmetic number, because the mean of its divisors is an integer number (702767973964).

Almost surely, 2^{11011111111100} is an apocalyptic number.

11011111111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011111111100 is an abundant number, since it is smaller than the sum of its proper divisors (14288535951604).

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

11011111111100 is a wasteful number, since it uses less digits than its factorization.

11011111111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477124214 (or 6477124207 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11011111111100 its reverse (111111111011), we get a palindrome (11122222222111).

It can be divided in two parts, 1 and 1011111111100, that added together give a palindrome (1011111111101).

The spelling of 11011111111100 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred".