13581243424 has 96 divisors (see below), whose sum is σ = 32391394560. Its totient is φ = 5472043008.

The previous prime is 13581243413. The next prime is 13581243439. The reversal of 13581243424 is 42434218531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5204232 + ... + 5206840.

It is an arithmetic number, because the mean of its divisors is an integer number (337410360).

Almost surely, 2^13581243424 is an apocalyptic number.

13581243424 is a gapful number since it is divisible by the number (14) 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 13581243424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16195697280).

13581243424 is an abundant number, since it is smaller than the sum of its proper divisors (18810151136).

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

13581243424 is a wasteful number, since it uses less digits than its factorization.

13581243424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 4002 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The spelling of 13581243424 in words is "thirteen billion, five hundred eighty-one million, two hundred forty-three thousand, four hundred twenty-four".