12752245861 has 2 divisors, whose sum is σ = 12752245862. Its totient is φ = 12752245860.

The previous prime is 12752245843. The next prime is 12752245931. The reversal of 12752245861 is 16854225721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7563780900 + 5188464961 = 86970^2 + 72031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12752245861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12752245361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376122930 + 6376122931.

It is an arithmetic number, because the mean of its divisors is an integer number (6376122931).

Almost surely, 2^12752245861 is an apocalyptic number.

It is an amenable number.

12752245861 is a deficient number, since it is larger than the sum of its proper divisors (1).

12752245861 is an equidigital number, since it uses as much as digits as its factorization.

12752245861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The spelling of 12752245861 in words is "twelve billion, seven hundred fifty-two million, two hundred forty-five thousand, eight hundred sixty-one".