6515615505132 has 18 divisors (see below), whose sum is σ = 16470028082508. Its totient is φ = 2171871835032.

The previous prime is 6515615505127. The next prime is 6515615505143. The reversal of 6515615505132 is 2315055165156.

6515615505132 is a `hidden beast` number, since 6 + 5 + 1 + 5 + 6 + 1 + 5 + 505 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90494659758 + ... + 90494659829.

Almost surely, 2^{6515615505132} is an apocalyptic number.

It is an amenable number.

6515615505132 is an abundant number, since it is smaller than the sum of its proper divisors (9954412577376).

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

6515615505132 is a wasteful number, since it uses less digits than its factorization.

6515615505132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180989319597 (or 180989319592 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 6515615505132 in words is "six trillion, five hundred fifteen billion, six hundred fifteen million, five hundred five thousand, one hundred thirty-two".