128825636304 has 20 divisors (see below), whose sum is σ = 332799560576. Its totient is φ = 42941878752.

The previous prime is 128825636279. The next prime is 128825636311. The reversal of 128825636304 is 403636528821.

It is a super-3 number, since 3×128825636304³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2683867423 = 128825636304 / (1 + 2 + 8 + 8 + 2 + 5 + 6 + 3 + 6 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341933664 + ... + 1341933759.

Almost surely, 2^128825636304 is an apocalyptic number.

It is an amenable number.

128825636304 is an abundant number, since it is smaller than the sum of its proper divisors (203973924272).

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

128825636304 is a wasteful number, since it uses less digits than its factorization.

128825636304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683867434 (or 2683867428 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 128825636304 in words is "one hundred twenty-eight billion, eight hundred twenty-five million, six hundred thirty-six thousand, three hundred four".