6515847712 has 48 divisors (see below), whose sum is σ = 14028789600. Its totient is φ = 2954442240.

The previous prime is 6515847641. The next prime is 6515847727. The reversal of 6515847712 is 2177485156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121339 + ... + 166597.

It is an arithmetic number, because the mean of its divisors is an integer number (292266450).

Almost surely, 2^6515847712 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 6515847712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7014394800).

6515847712 is an abundant number, since it is smaller than the sum of its proper divisors (7512941888).

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

6515847712 is a wasteful number, since it uses less digits than its factorization.

6515847712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45689 (or 45681 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The square root of 6515847712 is about 80720.8009871062. The cubic root of 6515847712 is about 1867.7710592813.

The spelling of 6515847712 in words is "six billion, five hundred fifteen million, eight hundred forty-seven thousand, seven hundred twelve".