111001000008 has 32 divisors (see below), whose sum is σ = 277542862560. Its totient is φ = 36994951680.

The previous prime is 111001000007. The next prime is 111001000027. The reversal of 111001000008 is 800000100111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111000999957 and 111001000002.

It is not an unprimeable number, because it can be changed into a prime (111001000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166153 + ... + 499608.

It is an arithmetic number, because the mean of its divisors is an integer number (8673214455).

Almost surely, 2^111001000008 is an apocalyptic number.

It is an amenable number.

111001000008 is an abundant number, since it is smaller than the sum of its proper divisors (166541862552).

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

111001000008 is a wasteful number, since it uses less digits than its factorization.

111001000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672717 (or 672713 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111001000008 its reverse (800000100111), we get a palindrome (911001100119).

The spelling of 111001000008 in words is "one hundred eleven billion, one million, eight", and thus it is an aban number.