128480638959 has 12 divisors (see below), whose sum is σ = 188353043736. Its totient is φ = 84375344592.

The previous prime is 128480638901. The next prime is 128480639003. The reversal of 128480638959 is 959836084821.

128480638959 is a `hidden beast` number, since 1 + 2 + 8 + 480 + 63 + 8 + 95 + 9 = 666.

It is not a de Polignac number, because 128480638959 - 2¹³ = 128480630767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128480638896 and 128480638905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128480638459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106533924 + ... + 106535129.

It is an arithmetic number, because the mean of its divisors is an integer number (15696086978).

Almost surely, 2^128480638959 is an apocalyptic number.

128480638959 is a deficient number, since it is larger than the sum of its proper divisors (59872404777).

128480638959 is a wasteful number, since it uses less digits than its factorization.

128480638959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213069126 (or 213069123 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 128480638959 in words is "one hundred twenty-eight billion, four hundred eighty million, six hundred thirty-eight thousand, nine hundred fifty-nine".