65512160771 has 2 divisors, whose sum is σ = 65512160772. Its totient is φ = 65512160770.

The previous prime is 65512160761. The next prime is 65512160773. The reversal of 65512160771 is 17706121556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65512160771 is a prime.

It is a Sophie Germain prime.

Together with 65512160773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65512160773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32756080385 + 32756080386.

It is an arithmetic number, because the mean of its divisors is an integer number (32756080386).

Almost surely, 2^65512160771 is an apocalyptic number.

65512160771 is a deficient number, since it is larger than the sum of its proper divisors (1).

65512160771 is an equidigital number, since it uses as much as digits as its factorization.

65512160771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 65512160771 in words is "sixty-five billion, five hundred twelve million, one hundred sixty thousand, seven hundred seventy-one".