13545324318720 has 416 divisors, whose sum is σ = 44305718188032. Its totient is φ = 3531732811776.

The previous prime is 13545324318703. The next prime is 13545324318751. The reversal of 13545324318720 is 2781342354531.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13545324318720.

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, 4282427859 + ... + 4282431021.

Almost surely, 2^{13545324318720} is an apocalyptic number.

13545324318720 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 13545324318720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22152859094016).

13545324318720 is an abundant number, since it is smaller than the sum of its proper divisors (30760393869312).

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

13545324318720 is a wasteful number, since it uses less digits than its factorization.

13545324318720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 13545324318720 in words is "thirteen trillion, five hundred forty-five billion, three hundred twenty-four million, three hundred eighteen thousand, seven hundred twenty".