11447216112 has 80 divisors (see below), whose sum is σ = 29892551040. Its totient is φ = 3774602496.

The previous prime is 11447216111. The next prime is 11447216119. The reversal of 11447216112 is 21161274411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11447216112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11447216111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689243 + ... + 1696005.

It is an arithmetic number, because the mean of its divisors is an integer number (373656888).

Almost surely, 2^11447216112 is an apocalyptic number.

11447216112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11447216112 is an abundant number, since it is smaller than the sum of its proper divisors (18445334928).

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

11447216112 is a wasteful number, since it uses less digits than its factorization.

11447216112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150 (or 7144 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The spelling of 11447216112 in words is "eleven billion, four hundred forty-seven million, two hundred sixteen thousand, one hundred twelve".