128447312053824 has 84 divisors (see below), whose sum is σ = 368458888744960. Its totient is φ = 42782294465280.

The previous prime is 128447312053817. The next prime is 128447312053843. The reversal of 128447312053824 is 428350213744821.

128447312053824 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 4 + 73 + 12 + 0 + 538 + 24 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86440312 + ... + 87913719.

Almost surely, 2^{128447312053824} is an apocalyptic number.

It is an amenable number.

128447312053824 is an abundant number, since it is smaller than the sum of its proper divisors (240011576691136).

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

128447312053824 is a wasteful number, since it uses less digits than its factorization.

128447312053824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174355328 (or 174355315 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 128447312053824 in words is "one hundred twenty-eight trillion, four hundred forty-seven billion, three hundred twelve million, fifty-three thousand, eight hundred twenty-four".