128352625056 has 96 divisors (see below), whose sum is σ = 374491615680. Its totient is φ = 42769375488.

The previous prime is 128352625033. The next prime is 128352625069. The reversal of 128352625056 is 650526253821.

128352625056 is a `hidden beast` number, since 1 + 2 + 83 + 5 + 2 + 62 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×128352625056² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625670 + ... + 2674106.

It is an arithmetic number, because the mean of its divisors is an integer number (3900954330).

Almost surely, 2^128352625056 is an apocalyptic number.

128352625056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128352625056 is an abundant number, since it is smaller than the sum of its proper divisors (246138990624).

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

128352625056 is a wasteful number, since it uses less digits than its factorization.

128352625056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51523 (or 51509 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

Adding to 128352625056 its reverse (650526253821), we get a palindrome (778878878877).

The spelling of 128352625056 in words is "one hundred twenty-eight billion, three hundred fifty-two million, six hundred twenty-five thousand, fifty-six".