13425423533552 has 160 divisors (see below), whose sum is σ = 28580670720000. Its totient is φ = 6084881187840.

The previous prime is 13425423533519. The next prime is 13425423533569. The reversal of 13425423533552 is 25533532452431.

It is a junction number, because it is equal to n+sod(n) for n = 13425423533497 and 13425423533506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581906177 + ... + 581929247.

It is an arithmetic number, because the mean of its divisors is an integer number (178629192000).

Almost surely, 2^{13425423533552} 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 13425423533552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14290335360000).

13425423533552 is an abundant number, since it is smaller than the sum of its proper divisors (15155247186448).

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

13425423533552 is a wasteful number, since it uses less digits than its factorization.

13425423533552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23719 (or 23713 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 47.

Adding to 13425423533552 its reverse (25533532452431), we get a palindrome (38958955985983).

The spelling of 13425423533552 in words is "thirteen trillion, four hundred twenty-five billion, four hundred twenty-three million, five hundred thirty-three thousand, five hundred fifty-two".