13543550000 has 120 divisors (see below), whose sum is σ = 34227621792. Its totient is φ = 5181440000.

The previous prime is 13543549993. The next prime is 13543550011. The reversal of 13543550000 is 5534531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1144112 + ... + 1155888.

Almost surely, 2^13543550000 is an apocalyptic number.

13543550000 is a gapful number since it is divisible by the number (10) 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 13543550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17113810896).

13543550000 is an abundant number, since it is smaller than the sum of its proper divisors (20684071792).

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

13543550000 is an equidigital number, since it uses as much as digits as its factorization.

13543550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833 (or 11807 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The spelling of 13543550000 in words is "thirteen billion, five hundred forty-three million, five hundred fifty thousand".