55111111101100 has 36 divisors (see below), whose sum is σ = 120307225563504. Its totient is φ = 21912441772480.

The previous prime is 55111111101083. The next prime is 55111111101217. The reversal of 55111111101100 is 110111111155.

55111111101100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1650016567 + ... + 1650049966.

It is an arithmetic number, because the mean of its divisors is an integer number (3341867376764).

Almost surely, 2^{55111111101100} is an apocalyptic number.

55111111101100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55111111101100 is an abundant number, since it is smaller than the sum of its proper divisors (65196114462404).

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

55111111101100 is a wasteful number, since it uses less digits than its factorization.

55111111101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300066714 (or 3300066707 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 19.

Adding to 55111111101100 its reverse (110111111155), we get a palindrome (55221222212255).

The spelling of 55111111101100 in words is "fifty-five trillion, one hundred eleven billion, one hundred eleven million, one hundred one thousand, one hundred".