5115689280 has 336 divisors, whose sum is σ = 19105107840. Its totient is φ = 1248915456.

The previous prime is 5115689251. The next prime is 5115689321. The reversal of 5115689280 is 829865115.

It is a happy number.

5115689280 is a `hidden beast` number, since 5 + 1 + 1 + 568 + 9 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5203669 + ... + 5204651.

It is an arithmetic number, because the mean of its divisors is an integer number (56860440).

Almost surely, 2^5115689280 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 5115689280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9552553920).

5115689280 is an abundant number, since it is smaller than the sum of its proper divisors (13989418560).

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

5115689280 is a wasteful number, since it uses less digits than its factorization.

5115689280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 5115689280 is about 71524.0468653725. The cubic root of 5115689280 is about 1723.0639097166.

The spelling of 5115689280 in words is "five billion, one hundred fifteen million, six hundred eighty-nine thousand, two hundred eighty".