601065010561 has 4 divisors (see below), whose sum is σ = 602985346372. Its totient is φ = 599144674752.

The previous prime is 601065010549. The next prime is 601065010607. The reversal of 601065010561 is 165010560106.

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 14547978225 + 586517032336 = 120615^2 + 765844^2 .

It is a cyclic number.

It is not a de Polignac number, because 601065010561 - 2¹⁹ = 601064486273 is a prime.

It is a super-2 number, since 2×601065010561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601065010531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960167436 + ... + 960168061.

It is an arithmetic number, because the mean of its divisors is an integer number (150746336593).

Almost surely, 2^601065010561 is an apocalyptic number.

It is an amenable number.

601065010561 is a deficient number, since it is larger than the sum of its proper divisors (1920335811).

601065010561 is a wasteful number, since it uses less digits than its factorization.

601065010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920335810.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 601065010561 its reverse (165010560106), we get a palindrome (766075570667).

The spelling of 601065010561 in words is "six hundred one billion, sixty-five million, ten thousand, five hundred sixty-one".