1065743012161 has 2 divisors, whose sum is σ = 1065743012162. Its totient is φ = 1065743012160.

The previous prime is 1065743012153. The next prime is 1065743012221. The reversal of 1065743012161 is 1612103475601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988552947600 + 77190064561 = 994260^2 + 277831^2 .

It is an emirp because it is prime and its reverse (1612103475601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1065743012161 - 2³ = 1065743012153 is a prime.

It is a super-2 number, since 2×1065743012161² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065743012161.

It is not a weakly prime, because it can be changed into another prime (1065743012561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532871506080 + 532871506081.

It is an arithmetic number, because the mean of its divisors is an integer number (532871506081).

Almost surely, 2^{1065743012161} is an apocalyptic number.

It is an amenable number.

1065743012161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065743012161 is an equidigital number, since it uses as much as digits as its factorization.

1065743012161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 1065743012161 its reverse (1612103475601), we get a palindrome (2677846487762).

The spelling of 1065743012161 in words is "one trillion, sixty-five billion, seven hundred forty-three million, twelve thousand, one hundred sixty-one".