128306130638085 has 24 divisors (see below), whose sum is σ = 222400160577504. Its totient is φ = 68429054041440.

The previous prime is 128306130638017. The next prime is 128306130638131. The reversal of 128306130638085 is 580836031603821.

128306130638085 is a `hidden beast` number, since 1 + 28 + 30 + 6 + 130 + 6 + 380 + 85 = 666.

It is not a de Polignac number, because 128306130638085 - 2¹⁴ = 128306130621701 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 14844831 + ... + 21839900.

It is an arithmetic number, because the mean of its divisors is an integer number (9266673357396).

Almost surely, 2^{128306130638085} is an apocalyptic number.

128306130638085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128306130638085 is a deficient number, since it is larger than the sum of its proper divisors (94094029939419).

128306130638085 is a wasteful number, since it uses less digits than its factorization.

128306130638085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36762465 (or 36762462 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 128306130638085 in words is "one hundred twenty-eight trillion, three hundred six billion, one hundred thirty million, six hundred thirty-eight thousand, eighty-five".