1065682865501 has 2 divisors, whose sum is σ = 1065682865502. Its totient is φ = 1065682865500.

The previous prime is 1065682865447. The next prime is 1065682865503. The reversal of 1065682865501 is 1055682865601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783242700100 + 282440165401 = 885010^2 + 531451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065682865501 - 2¹⁸ = 1065682603357 is a prime.

It is a super-2 number, since 2×1065682865501² (a number of 25 digits) contains 22 as substring.

Together with 1065682865503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065682865503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532841432750 + 532841432751.

It is an arithmetic number, because the mean of its divisors is an integer number (532841432751).

Almost surely, 2^{1065682865501} is an apocalyptic number.

It is an amenable number.

1065682865501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065682865501 is an equidigital number, since it uses as much as digits as its factorization.

1065682865501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 1065682865501 in words is "one trillion, sixty-five billion, six hundred eighty-two million, eight hundred sixty-five thousand, five hundred one".