5115641328 has 180 divisors, whose sum is σ = 16909963824. Its totient is φ = 1414195200.

The previous prime is 5115641303. The next prime is 5115641357. The reversal of 5115641328 is 8231465115.

5115641328 is a `hidden beast` number, since 5 + 1 + 1 + 5 + 641 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5115641292 and 5115641301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 966048 + ... + 971328.

Almost surely, 2^5115641328 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 5115641328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8454981912).

5115641328 is an abundant number, since it is smaller than the sum of its proper divisors (11794322496).

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

5115641328 is a wasteful number, since it uses less digits than its factorization.

5115641328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5324 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5115641328 is about 71523.7116486554. The cubic root of 5115641328 is about 1723.0585259769.

The spelling of 5115641328 in words is "five billion, one hundred fifteen million, six hundred forty-one thousand, three hundred twenty-eight".