1061068386685 has 4 divisors (see below), whose sum is σ = 1273282064028. Its totient is φ = 848854709344.

The previous prime is 1061068386671. The next prime is 1061068386689. The reversal of 1061068386685 is 5866838601601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 778866261156 + 282202125529 = 882534^2 + 531227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061068386685 - 2¹¹ = 1061068384637 is a prime.

It is a super-2 number, since 2×1061068386685² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061068386689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106106838664 + ... + 106106838673.

It is an arithmetic number, because the mean of its divisors is an integer number (318320516007).

Almost surely, 2^{1061068386685} is an apocalyptic number.

It is an amenable number.

1061068386685 is a deficient number, since it is larger than the sum of its proper divisors (212213677343).

1061068386685 is an equidigital number, since it uses as much as digits as its factorization.

1061068386685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212213677342.

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 1061068386685 in words is "one trillion, sixty-one billion, sixty-eight million, three hundred eighty-six thousand, six hundred eighty-five".