11111100110100 has 144 divisors (see below), whose sum is σ = 35729659405440. Its totient is φ = 2962169510400.

The previous prime is 11111100110051. The next prime is 11111100110111. The reversal of 11111100110100 is 101100111111.

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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9607609 + ... + 10701791.

It is an arithmetic number, because the mean of its divisors is an integer number (248122634760).

Almost surely, 2^{11111100110100} is an apocalyptic number.

11111100110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111100110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17864829702720).

11111100110100 is an abundant number, since it is smaller than the sum of its proper divisors (24618559295340).

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

11111100110100 is a wasteful number, since it uses less digits than its factorization.

11111100110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097967 (or 1097954 counting only the distinct ones).

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

Adding to 11111100110100 its reverse (101100111111), we get a palindrome (11212200221211).

The spelling of 11111100110100 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred ten thousand, one hundred".