6516051515212 has 12 divisors (see below), whose sum is σ = 12003252791320. Its totient is φ = 3086550717696.

The previous prime is 6516051515189. The next prime is 6516051515219. The reversal of 6516051515212 is 2125151506156.

It is not an unprimeable number, because it can be changed into a prime (6516051515219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42868759893 + ... + 42868760044.

Almost surely, 2^{6516051515212} is an apocalyptic number.

It is an amenable number.

6516051515212 is a deficient number, since it is larger than the sum of its proper divisors (5487201276108).

6516051515212 is a wasteful number, since it uses less digits than its factorization.

6516051515212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85737519960 (or 85737519958 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 6516051515212 in words is "six trillion, five hundred sixteen billion, fifty-one million, five hundred fifteen thousand, two hundred twelve".