215600325459941 has 2 divisors, whose sum is σ = 215600325459942. Its totient is φ = 215600325459940.

The previous prime is 215600325459889. The next prime is 215600325459947. The reversal of 215600325459941 is 149954523006512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121667981363041 + 93932344096900 = 11030321^2 + 9691870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215600325459941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215600325459947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107800162729970 + 107800162729971.

It is an arithmetic number, because the mean of its divisors is an integer number (107800162729971).

Almost surely, 2^{215600325459941} is an apocalyptic number.

It is an amenable number.

215600325459941 is a deficient number, since it is larger than the sum of its proper divisors (1).

215600325459941 is an equidigital number, since it uses as much as digits as its factorization.

215600325459941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 215600325459941 in words is "two hundred fifteen trillion, six hundred billion, three hundred twenty-five million, four hundred fifty-nine thousand, nine hundred forty-one".