128706115468448 has 24 divisors (see below), whose sum is σ = 289588759804512. Its totient is φ = 55159763772096.

The previous prime is 128706115468429. The next prime is 128706115468499. The reversal of 128706115468448 is 844864511607821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287290436090 + ... + 287290436537.

It is an arithmetic number, because the mean of its divisors is an integer number (12066198325188).

Almost surely, 2^{128706115468448} is an apocalyptic number.

It is an amenable number.

128706115468448 is an abundant number, since it is smaller than the sum of its proper divisors (160882644336064).

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

128706115468448 is an equidigital number, since it uses as much as digits as its factorization.

128706115468448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574580872644 (or 574580872636 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 65.

The spelling of 128706115468448 in words is "one hundred twenty-eight trillion, seven hundred six billion, one hundred fifteen million, four hundred sixty-eight thousand, four hundred forty-eight".