11471112 has 64 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 3655872.

The previous prime is 11471099. The next prime is 11471129. The reversal of 11471112 is 21117411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814 + ... + 6122.

It is an arithmetic number, because the mean of its divisors is an integer number (519750).

Almost surely, 2^11471112 is an apocalyptic number.

11471112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11471112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16632000).

11471112 is an abundant number, since it is smaller than the sum of its proper divisors (21792888).

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

11471112 is a wasteful number, since it uses less digits than its factorization.

11471112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2337 counting only the distinct ones).

The product of its digits is 56, while the sum is 18.

The square root of 11471112 is about 3386.9030101259. The cubic root of 11471112 is about 225.5287121976.

Adding to 11471112 its reverse (21117411), we get a palindrome (32588523).

The spelling of 11471112 in words is "eleven million, four hundred seventy-one thousand, one hundred twelve".