13240105666500 has 576 divisors, whose sum is σ = 40679371998720. Its totient is φ = 3343656960000.

The previous prime is 13240105666451. The next prime is 13240105666531. The reversal of 13240105666500 is 566650104231.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23269078216 + ... + 23269078784.

It is an arithmetic number, because the mean of its divisors is an integer number (70623909720).

Almost surely, 2^{13240105666500} is an apocalyptic number.

13240105666500 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 13240105666500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20339685999360).

13240105666500 is an abundant number, since it is smaller than the sum of its proper divisors (27439266332220).

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

13240105666500 is a wasteful number, since it uses less digits than its factorization.

13240105666500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 13240105666500 in words is "thirteen trillion, two hundred forty billion, one hundred five million, six hundred sixty-six thousand, five hundred".