13201255540 has 96 divisors (see below), whose sum is σ = 30618000000. Its totient is φ = 4741201920.

The previous prime is 13201255451. The next prime is 13201255547. The reversal of 13201255540 is 4555210231.

13201255540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13201255499 and 13201255508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201255547) 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, 10568836 + ... + 10570084.

It is an arithmetic number, because the mean of its divisors is an integer number (318937500).

Almost surely, 2^13201255540 is an apocalyptic number.

13201255540 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 13201255540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15309000000).

13201255540 is an abundant number, since it is smaller than the sum of its proper divisors (17416744460).

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

13201255540 is a wasteful number, since it uses less digits than its factorization.

13201255540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 13201255540 its reverse (4555210231), we get a palindrome (17756465771).

The spelling of 13201255540 in words is "thirteen billion, two hundred one million, two hundred fifty-five thousand, five hundred forty".