12605567061 has 16 divisors (see below), whose sum is σ = 17096397120. Its totient is φ = 8259292800.

The previous prime is 12605567057. The next prime is 12605567063. The reversal of 12605567061 is 16076550621.

It is not a de Polignac number, because 12605567061 - 2² = 12605567057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605567063) 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, 1268211 + ... + 1278111.

It is an arithmetic number, because the mean of its divisors is an integer number (1068524820).

Almost surely, 2^12605567061 is an apocalyptic number.

It is an amenable number.

12605567061 is a deficient number, since it is larger than the sum of its proper divisors (4490830059).

12605567061 is an equidigital number, since it uses as much as digits as its factorization.

12605567061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 12605567061 in words is "twelve billion, six hundred five million, five hundred sixty-seven thousand, sixty-one".