868111112 has 36 divisors (see below), whose sum is σ = 1791025215. Its totient is φ = 394179280.

The previous prime is 868111093. The next prime is 868111117. The reversal of 868111112 is 211111868.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

868111112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 434055556 + 434055556 = 20834^2 + 20834^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20834.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868111117) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 916223 + ... + 917169.

Almost surely, 2^868111112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868111112

868111112 is an abundant number, since it is smaller than the sum of its proper divisors (922914103).

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

868111112 is an equidigital number, since it uses as much as digits as its factorization.

868111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 960 counting only the distinct ones).

The product of its digits is 768, while the sum is 29.

The square root of 868111112 is about 29463.7253584811. The cubic root of 868111112 is about 953.9488858280.

It can be divided in two parts, 868 and 111112, that multiplied together give a triangular number (96445216 = T₁₃₈₈₈).

The spelling of 868111112 in words is "eight hundred sixty-eight million, one hundred eleven thousand, one hundred twelve".