111000006 has 24 divisors (see below), whose sum is σ = 259000560. Its totient is φ = 34153776.

The previous prime is 110999989. The next prime is 111000007. The reversal of 111000006 is 600000111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236946 + ... + 237413.

It is an arithmetic number, because the mean of its divisors is an integer number (10791690).

Almost surely, 2^111000006 is an apocalyptic number.

111000006 is an abundant number, since it is smaller than the sum of its proper divisors (148000554).

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

111000006 is a wasteful number, since it uses less digits than its factorization.

111000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474380 (or 474377 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 111000006 is about 10535.6540376001. The cubic root of 111000006 is about 480.5895620298.

Adding to 111000006 its reverse (600000111), we get a palindrome (711000117).

The spelling of 111000006 in words is "one hundred eleven million, six", and thus it is an aban number.