6515377312 has 24 divisors (see below), whose sum is σ = 13002868116. Its totient is φ = 3213061632.

The previous prime is 6515377283. The next prime is 6515377357. The reversal of 6515377312 is 2137735156.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6431398416 + 83978896 = 80196^2 + 9164^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392223 + ... + 1396894.

Almost surely, 2^6515377312 is an apocalyptic number.

It is an amenable number.

6515377312 is a deficient number, since it is larger than the sum of its proper divisors (6487490804).

6515377312 is a wasteful number, since it uses less digits than its factorization.

6515377312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789200 (or 2789192 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 6515377312 is about 80717.8871874134. The cubic root of 6515377312 is about 1867.7261113999.

The spelling of 6515377312 in words is "six billion, five hundred fifteen million, three hundred seventy-seven thousand, three hundred twelve".