8128057125 has 16 divisors (see below), whose sum is σ = 13525087680. Its totient is φ = 4334963600.

The previous prime is 8128057111. The next prime is 8128057127. The reversal of 8128057125 is 5217508218.

It is not a de Polignac number, because 8128057125 - 2⁸ = 8128056869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8128057127) by changing a digit.

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, 10837035 + ... + 10837784.

It is an arithmetic number, because the mean of its divisors is an integer number (845317980).

Almost surely, 2^8128057125 is an apocalyptic number.

It is an amenable number.

8128057125 is a deficient number, since it is larger than the sum of its proper divisors (5397030555).

8128057125 is a wasteful number, since it uses less digits than its factorization.

8128057125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21674837 (or 21674827 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 8128057125 is about 90155.7381701243. The cubic root of 8128057125 is about 2010.6149884208.

The spelling of 8128057125 in words is "eight billion, one hundred twenty-eight million, fifty-seven thousand, one hundred twenty-five".