1065520085017 has 16 divisors (see below), whose sum is σ = 1090305672192. Its totient is φ = 1041004982160.

The previous prime is 1065520084913. The next prime is 1065520085041. The reversal of 1065520085017 is 7105800255601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1065520085017 - 2¹¹ = 1065520082969 is a prime.

It is a super-2 number, since 2×1065520085017² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065520085417) 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 in 15 ways as a sum of consecutive naturals, for example, 15615348 + ... + 15683434.

It is an arithmetic number, because the mean of its divisors is an integer number (68144104512).

Almost surely, 2^{1065520085017} is an apocalyptic number.

It is an amenable number.

1065520085017 is a deficient number, since it is larger than the sum of its proper divisors (24785587175).

1065520085017 is a wasteful number, since it uses less digits than its factorization.

1065520085017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70068.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 1065520085017 in words is "one trillion, sixty-five billion, five hundred twenty million, eighty-five thousand, seventeen".