128247513600 has 240 divisors, whose sum is σ = 424472162400. Its totient is φ = 34133606400.

The previous prime is 128247513593. The next prime is 128247513623. The reversal of 128247513600 is 6315742821.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21923476 + ... + 21929324.

It is an arithmetic number, because the mean of its divisors is an integer number (1768634010).

Almost surely, 2^128247513600 is an apocalyptic number.

128247513600 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 128247513600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212236081200).

128247513600 is an abundant number, since it is smaller than the sum of its proper divisors (296224648800).

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

128247513600 is an equidigital number, since it uses as much as digits as its factorization.

128247513600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451 (or 6430 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 128247513600 in words is "one hundred twenty-eight billion, two hundred forty-seven million, five hundred thirteen thousand, six hundred".