13285378313452 has 48 divisors (see below), whose sum is σ = 26679956889600. Its totient is φ = 5670351086400.

The previous prime is 13285378313447. The next prime is 13285378313479. The reversal of 13285378313452 is 25431387358231.

It is a junction number, because it is equal to n+sod(n) for n = 13285378313393 and 13285378313402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17838702 + ... + 18568522.

It is an arithmetic number, because the mean of its divisors is an integer number (555832435200).

Almost surely, 2^{13285378313452} is an apocalyptic number.

It is an amenable number.

13285378313452 is an abundant number, since it is smaller than the sum of its proper divisors (13394578576148).

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

13285378313452 is a wasteful number, since it uses less digits than its factorization.

13285378313452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732502 (or 732500 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 55.

The spelling of 13285378313452 in words is "thirteen trillion, two hundred eighty-five billion, three hundred seventy-eight million, three hundred thirteen thousand, four hundred fifty-two".