6516515005000 has 640 divisors, whose sum is σ = 20633014321920. Its totient is φ = 1862714880000.

The previous prime is 6516515004931. The next prime is 6516515005067. The reversal of 6516515005000 is 5005156156.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 785780854 + ... + 785789146.

It is an arithmetic number, because the mean of its divisors is an integer number (32239084878).

Almost surely, 2^{6516515005000} 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 6516515005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10316507160960).

6516515005000 is an abundant number, since it is smaller than the sum of its proper divisors (14116499316920).

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

6516515005000 is a wasteful number, since it uses less digits than its factorization.

6516515005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507 (or 8488 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 6516515005000 in words is "six trillion, five hundred sixteen billion, five hundred fifteen million, five thousand".