12523636061 has 2 divisors, whose sum is σ = 12523636062. Its totient is φ = 12523636060.

The previous prime is 12523636031. The next prime is 12523636067. The reversal of 12523636061 is 16063632521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10033027225 + 2490608836 = 100165^2 + 49906^2 .

It is a cyclic number.

It is not a de Polignac number, because 12523636061 - 2¹⁴ = 12523619677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12523636067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261818030 + 6261818031.

It is an arithmetic number, because the mean of its divisors is an integer number (6261818031).

Almost surely, 2^12523636061 is an apocalyptic number.

It is an amenable number.

12523636061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523636061 is an equidigital number, since it uses as much as digits as its factorization.

12523636061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 12523636061 in words is "twelve billion, five hundred twenty-three million, six hundred thirty-six thousand, sixty-one".