127805065516 has 12 divisors (see below), whose sum is σ = 224817720232. Its totient is φ = 63571431168.

The previous prime is 127805065513. The next prime is 127805065529. The reversal of 127805065516 is 615560508721.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (127805065513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82774530 + ... + 82776073.

Almost surely, 2^127805065516 is an apocalyptic number.

It is an amenable number.

127805065516 is a deficient number, since it is larger than the sum of its proper divisors (97012654716).

127805065516 is a wasteful number, since it uses less digits than its factorization.

127805065516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165550800 (or 165550798 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 127805065516 in words is "one hundred twenty-seven billion, eight hundred five million, sixty-five thousand, five hundred sixteen".