6515115060 has 96 divisors (see below), whose sum is σ = 19083859200. Its totient is φ = 1658567680.

The previous prime is 6515115059. The next prime is 6515115073. The reversal of 6515115060 is 605115156.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133825 + ... + 175895.

It is an arithmetic number, because the mean of its divisors is an integer number (198790200).

Almost surely, 2^6515115060 is an apocalyptic number.

6515115060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6515115060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9541929600).

6515115060 is an abundant number, since it is smaller than the sum of its proper divisors (12568744140).

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

6515115060 is a wasteful number, since it uses less digits than its factorization.

6515115060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42201 (or 42199 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 6515115060 is about 80716.2626736397. The cubic root of 6515115060 is about 1867.7010516346.

The spelling of 6515115060 in words is "six billion, five hundred fifteen million, one hundred fifteen thousand, sixty".