13325443015500 has 1536 divisors, whose sum is σ = 56405989785600. Its totient is φ = 2635286400000.

The previous prime is 13325443015481. The next prime is 13325443015517. The reversal of 13325443015500 is 551034452331.

13325443015500 is a `hidden beast` number, since 1 + 3 + 32 + 5 + 44 + 30 + 1 + 550 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1965691111 + ... + 1965697889.

It is an arithmetic number, because the mean of its divisors is an integer number (36722649600).

Almost surely, 2^{13325443015500} is an apocalyptic number.

13325443015500 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 13325443015500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28202994892800).

13325443015500 is an abundant number, since it is smaller than the sum of its proper divisors (43080546770100).

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

13325443015500 is a wasteful number, since it uses less digits than its factorization.

13325443015500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6917 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 13325443015500 its reverse (551034452331), we get a palindrome (13876477467831).

The spelling of 13325443015500 in words is "thirteen trillion, three hundred twenty-five billion, four hundred forty-three million, fifteen thousand, five hundred".