12315566161141 has 2 divisors, whose sum is σ = 12315566161142. Its totient is φ = 12315566161140.

The previous prime is 12315566161127. The next prime is 12315566161181. The reversal of 12315566161141 is 14116166551321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11906536842225 + 409029318916 = 3450585^2 + 639554^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315566161141 - 2⁹ = 12315566160629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12315566161181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157783080570 + 6157783080571.

It is an arithmetic number, because the mean of its divisors is an integer number (6157783080571).

Almost surely, 2^{12315566161141} is an apocalyptic number.

It is an amenable number.

12315566161141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315566161141 is an equidigital number, since it uses as much as digits as its factorization.

12315566161141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The spelling of 12315566161141 in words is "twelve trillion, three hundred fifteen billion, five hundred sixty-six million, one hundred sixty-one thousand, one hundred forty-one".