13255445240000 has 140 divisors (see below), whose sum is σ = 32926817176968. Its totient is φ = 5292883200000.

The previous prime is 13255445239991. The next prime is 13255445240041. The reversal of 13255445240000 is 4254455231.

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 19 ways as a sum of consecutive naturals, for example, 22549820 + ... + 23130180.

Almost surely, 2^{13255445240000} is an apocalyptic number.

13255445240000 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 13255445240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16463408588484).

13255445240000 is an abundant number, since it is smaller than the sum of its proper divisors (19671371936968).

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

13255445240000 is an frugal number, since it uses more digits than its factorization.

13255445240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580964 (or 580939 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 13255445240000 its reverse (4254455231), we get a palindrome (13259699695231).

The spelling of 13255445240000 in words is "thirteen trillion, two hundred fifty-five billion, four hundred forty-five million, two hundred forty thousand".