12063671257541 has 2 divisors, whose sum is σ = 12063671257542. Its totient is φ = 12063671257540.

The previous prime is 12063671257529. The next prime is 12063671257549. The reversal of 12063671257541 is 14575217636021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10366242712225 + 1697428545316 = 3219665^2 + 1302854^2 .

It is a cyclic number.

It is not a de Polignac number, because 12063671257541 - 2¹⁰ = 12063671256517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12063671257541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12063671257549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6031835628770 + 6031835628771.

It is an arithmetic number, because the mean of its divisors is an integer number (6031835628771).

Almost surely, 2^{12063671257541} is an apocalyptic number.

It is an amenable number.

12063671257541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12063671257541 is an equidigital number, since it uses as much as digits as its factorization.

12063671257541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 12063671257541 in words is "twelve trillion, sixty-three billion, six hundred seventy-one million, two hundred fifty-seven thousand, five hundred forty-one".