13315225423444 has 36 divisors (see below), whose sum is σ = 28532625915360. Its totient is φ = 5406181749360.

The previous prime is 13315225423399. The next prime is 13315225423517. The reversal of 13315225423444 is 44432452251331.

It is a super-3 number, since 3×13315225423444³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13315225423444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1787754792 + ... + 1787762239.

Almost surely, 2^{13315225423444} is an apocalyptic number.

13315225423444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13315225423444 is an abundant number, since it is smaller than the sum of its proper divisors (15217400491916).

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

13315225423444 is a wasteful number, since it uses less digits than its factorization.

13315225423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575517068 (or 3575517059 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 43.

Adding to 13315225423444 its reverse (44432452251331), we get a palindrome (57747677674775).

The spelling of 13315225423444 in words is "thirteen trillion, three hundred fifteen billion, two hundred twenty-five million, four hundred twenty-three thousand, four hundred forty-four".