128079530624 has 16 divisors (see below), whose sum is σ = 255158440170. Its totient is φ = 64039765248.

The previous prime is 128079530617. The next prime is 128079530641. The reversal of 128079530624 is 426035970821.

It can be written as a sum of positive squares in only one way, i.e., 127734760000 + 344770624 = 357400^2 + 18568^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500310539 + ... + 500310794.

It is a 1-persistent number, because it is pandigital, but 2⋅128079530624 = 256159061248 is not.

Almost surely, 2^128079530624 is an apocalyptic number.

It is an amenable number.

128079530624 is a deficient number, since it is larger than the sum of its proper divisors (127078909546).

128079530624 is an equidigital number, since it uses as much as digits as its factorization.

128079530624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000621347 (or 1000621335 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 128079530624 in words is "one hundred twenty-eight billion, seventy-nine million, five hundred thirty thousand, six hundred twenty-four".