65164115302541 has 2 divisors, whose sum is σ = 65164115302542. Its totient is φ = 65164115302540.

The previous prime is 65164115302487. The next prime is 65164115302571. The reversal of 65164115302541 is 14520351146156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36204541714441 + 28959573588100 = 6017021^2 + 5381410^2 .

It is a cyclic number.

It is not a de Polignac number, because 65164115302541 - 2¹⁸ = 65164115040397 is a prime.

It is a super-2 number, since 2×65164115302541² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65164115302492 and 65164115302501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65164115302571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32582057651270 + 32582057651271.

It is an arithmetic number, because the mean of its divisors is an integer number (32582057651271).

Almost surely, 2^{65164115302541} is an apocalyptic number.

It is an amenable number.

65164115302541 is a deficient number, since it is larger than the sum of its proper divisors (1).

65164115302541 is an equidigital number, since it uses as much as digits as its factorization.

65164115302541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

Adding to 65164115302541 its reverse (14520351146156), we get a palindrome (79684466448697).

The spelling of 65164115302541 in words is "sixty-five trillion, one hundred sixty-four billion, one hundred fifteen million, three hundred two thousand, five hundred forty-one".