65505151351417 has 2 divisors, whose sum is σ = 65505151351418. Its totient is φ = 65505151351416.

The previous prime is 65505151351357. The next prime is 65505151351459. The reversal of 65505151351417 is 71415315150556.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35099510666256 + 30405640685161 = 5924484^2 + 5514131^2 .

It is a cyclic number.

It is not a de Polignac number, because 65505151351417 - 2¹¹ = 65505151349369 is a prime.

It is not a weakly prime, because it can be changed into another prime (65505161351417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32752575675708 + 32752575675709.

It is an arithmetic number, because the mean of its divisors is an integer number (32752575675709).

Almost surely, 2^{65505151351417} is an apocalyptic number.

It is an amenable number.

65505151351417 is a deficient number, since it is larger than the sum of its proper divisors (1).

65505151351417 is an equidigital number, since it uses as much as digits as its factorization.

65505151351417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575000, while the sum is 49.

The spelling of 65505151351417 in words is "sixty-five trillion, five hundred five billion, one hundred fifty-one million, three hundred fifty-one thousand, four hundred seventeen".