60561005605 has 16 divisors (see below), whose sum is σ = 72838537200. Its totient is φ = 48338684928.

The previous prime is 60561005579. The next prime is 60561005611. The reversal of 60561005605 is 50650016506.

It can be written as a sum of positive squares in 8 ways, for example, as 202834564 + 60358171041 = 14242^2 + 245679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60561005605 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 6082171 + ... + 6092119.

It is an arithmetic number, because the mean of its divisors is an integer number (4552408575).

Almost surely, 2^60561005605 is an apocalyptic number.

It is an amenable number.

60561005605 is a deficient number, since it is larger than the sum of its proper divisors (12277531595).

60561005605 is a wasteful number, since it uses less digits than its factorization.

60561005605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 60561005605 in words is "sixty billion, five hundred sixty-one million, five thousand, six hundred five".