65111016101 has 2 divisors, whose sum is σ = 65111016102. Its totient is φ = 65111016100.

The previous prime is 65111016023. The next prime is 65111016149. The reversal of 65111016101 is 10161011156.

It is a happy number.

65111016101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64744293601 + 366722500 = 254449^2 + 19150^2 .

It is a cyclic number.

It is not a de Polignac number, because 65111016101 - 2¹⁸ = 65110753957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65111016401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32555508050 + 32555508051.

It is an arithmetic number, because the mean of its divisors is an integer number (32555508051).

Almost surely, 2^65111016101 is an apocalyptic number.

It is an amenable number.

65111016101 is a deficient number, since it is larger than the sum of its proper divisors (1).

65111016101 is an equidigital number, since it uses as much as digits as its factorization.

65111016101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 65111016101 its reverse (10161011156), we get a palindrome (75272027257).

The spelling of 65111016101 in words is "sixty-five billion, one hundred eleven million, sixteen thousand, one hundred one".