111111100000008 has 64 divisors (see below), whose sum is σ = 294124101860160. Its totient is φ = 34857615814656.

The previous prime is 111111100000007. The next prime is 111111100000057. The reversal of 111111100000008 is 800000001111111.

It is not an unprimeable number, because it can be changed into a prime (111111100000007) 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 15 ways as a sum of consecutive naturals, for example, 15669360 + ... + 21627552.

It is an arithmetic number, because the mean of its divisors is an integer number (4595689091565).

Almost surely, 2^{111111100000008} is an apocalyptic number.

It is an amenable number.

111111100000008 is an abundant number, since it is smaller than the sum of its proper divisors (183013001860152).

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

111111100000008 is a wasteful number, since it uses less digits than its factorization.

111111100000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003926 (or 6003922 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111111100000008 its reverse (800000001111111), we get a palindrome (911111101111119).

The spelling of 111111100000008 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred million, eight", and thus it is an aban number.