65765272211 has 2 divisors, whose sum is σ = 65765272212. Its totient is φ = 65765272210.

The previous prime is 65765272187. The next prime is 65765272219. The reversal of 65765272211 is 11227256756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65765272211 is a prime.

It is not a weakly prime, because it can be changed into another prime (65765272219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32882636105 + 32882636106.

It is an arithmetic number, because the mean of its divisors is an integer number (32882636106).

Almost surely, 2^65765272211 is an apocalyptic number.

65765272211 is a deficient number, since it is larger than the sum of its proper divisors (1).

65765272211 is an equidigital number, since it uses as much as digits as its factorization.

65765272211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The spelling of 65765272211 in words is "sixty-five billion, seven hundred sixty-five million, two hundred seventy-two thousand, two hundred eleven".