1065034561391 has 2 divisors, whose sum is σ = 1065034561392. Its totient is φ = 1065034561390.

The previous prime is 1065034561177. The next prime is 1065034561403. The reversal of 1065034561391 is 1931654305601.

It is a strong prime.

It is an emirp because it is prime and its reverse (1931654305601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065034561391 is a prime.

It is a super-2 number, since 2×1065034561391² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065034566391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532517280695 + 532517280696.

It is an arithmetic number, because the mean of its divisors is an integer number (532517280696).

Almost surely, 2^{1065034561391} is an apocalyptic number.

1065034561391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065034561391 is an equidigital number, since it uses as much as digits as its factorization.

1065034561391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 44.

Adding to 1065034561391 its reverse (1931654305601), we get a palindrome (2996688866992).

The spelling of 1065034561391 in words is "one trillion, sixty-five billion, thirty-four million, five hundred sixty-one thousand, three hundred ninety-one".