5120688128 has 96 divisors (see below), whose sum is σ = 10722574560. Its totient is φ = 2442854400.

The previous prime is 5120688073. The next prime is 5120688151. The reversal of 5120688128 is 8218860215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72122333 + ... + 72122403.

It is an arithmetic number, because the mean of its divisors is an integer number (111693485).

Almost surely, 2^5120688128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5120688128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5361287280).

5120688128 is an abundant number, since it is smaller than the sum of its proper divisors (5601886432).

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

5120688128 is an frugal number, since it uses more digits than its factorization.

5120688128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 5120688128 is about 71558.9835590193. The cubic root of 5120688128 is about 1723.6249635058.

The spelling of 5120688128 in words is "five billion, one hundred twenty million, six hundred eighty-eight thousand, one hundred twenty-eight".