12725544061 has 4 divisors (see below), whose sum is σ = 12726727452. Its totient is φ = 12724360672.

The previous prime is 12725544011. The next prime is 12725544067. The reversal of 12725544061 is 16044552721.

12725544061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5905922500 + 6819621561 = 76850^2 + 82581^2 .

It is a cyclic number.

It is not a de Polignac number, because 12725544061 - 2⁷ = 12725543933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12725544061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725544067) 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, 575416 + ... + 597121.

It is an arithmetic number, because the mean of its divisors is an integer number (3181681863).

Almost surely, 2^12725544061 is an apocalyptic number.

It is an amenable number.

12725544061 is a deficient number, since it is larger than the sum of its proper divisors (1183391).

12725544061 is a wasteful number, since it uses less digits than its factorization.

12725544061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183390.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 12725544061 in words is "twelve billion, seven hundred twenty-five million, five hundred forty-four thousand, sixty-one".