13325443015456 has 192 divisors, whose sum is σ = 31178393769600. Its totient is φ = 5526492364800.

The previous prime is 13325443015393. The next prime is 13325443015481. The reversal of 13325443015456 is 65451034452331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208958616 + ... + 209022376.

It is an arithmetic number, because the mean of its divisors is an integer number (162387467550).

Almost surely, 2^{13325443015456} is an apocalyptic number.

13325443015456 is a gapful number since it is divisible by the number (16) 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 13325443015456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15589196884800).

13325443015456 is an abundant number, since it is smaller than the sum of its proper divisors (17852950754144).

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

13325443015456 is a wasteful number, since it uses less digits than its factorization.

13325443015456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64323 (or 64315 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

Adding to 13325443015456 its reverse (65451034452331), we get a palindrome (78776477467787).

The spelling of 13325443015456 in words is "thirteen trillion, three hundred twenty-five billion, four hundred forty-three million, fifteen thousand, four hundred fifty-six".