13531201112 has 128 divisors (see below), whose sum is σ = 30569011200. Its totient is φ = 5533248000.

The previous prime is 13531201111. The next prime is 13531201141. The reversal of 13531201112 is 21110213531.

13531201112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531201111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 19302362 + ... + 19303062.

It is an arithmetic number, because the mean of its divisors is an integer number (238820400).

Almost surely, 2^13531201112 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 13531201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15284505600).

13531201112 is an abundant number, since it is smaller than the sum of its proper divisors (17037810088).

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

13531201112 is a wasteful number, since it uses less digits than its factorization.

13531201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 13531201112 its reverse (21110213531), we get a palindrome (34641414643).

The spelling of 13531201112 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, one hundred twelve".