113044428112 has 320 divisors, whose sum is σ = 289295769600. Its totient is φ = 41859417600.

The previous prime is 113044428037. The next prime is 113044428209. The reversal of 113044428112 is 211824440311.

It is a happy number.

It is a super-3 number, since 3×113044428112³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341523787 + ... + 341524117.

It is an arithmetic number, because the mean of its divisors is an integer number (904049280).

Almost surely, 2^113044428112 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 113044428112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144647884800).

113044428112 is an abundant number, since it is smaller than the sum of its proper divisors (176251341488).

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

113044428112 is a wasteful number, since it uses less digits than its factorization.

113044428112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 113044428112 its reverse (211824440311), we get a palindrome (324868868423).

The spelling of 113044428112 in words is "one hundred thirteen billion, forty-four million, four hundred twenty-eight thousand, one hundred twelve".