1065662551441 has 2 divisors, whose sum is σ = 1065662551442. Its totient is φ = 1065662551440.

The previous prime is 1065662551417. The next prime is 1065662551451. The reversal of 1065662551441 is 1441552665601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 983825934400 + 81836617041 = 991880^2 + 286071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065662551441 - 2⁷ = 1065662551313 is a prime.

It is a super-2 number, since 2×1065662551441² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065662551391 and 1065662551400.

It is not a weakly prime, because it can be changed into another prime (1065662551411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532831275720 + 532831275721.

It is an arithmetic number, because the mean of its divisors is an integer number (532831275721).

Almost surely, 2^{1065662551441} is an apocalyptic number.

It is an amenable number.

1065662551441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065662551441 is an equidigital number, since it uses as much as digits as its factorization.

1065662551441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 1065662551441 in words is "one trillion, sixty-five billion, six hundred sixty-two million, five hundred fifty-one thousand, four hundred forty-one".