15196560217 has 2 divisors, whose sum is σ = 15196560218. Its totient is φ = 15196560216.

The previous prime is 15196560199. The next prime is 15196560229. The reversal of 15196560217 is 71206569151.

15196560217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15192781081 + 3779136 = 123259^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 15196560217 - 2⁷ = 15196560089 is a prime.

It is not a weakly prime, because it can be changed into another prime (15196560917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7598280108 + 7598280109.

It is an arithmetic number, because the mean of its divisors is an integer number (7598280109).

Almost surely, 2^15196560217 is an apocalyptic number.

It is an amenable number.

15196560217 is a deficient number, since it is larger than the sum of its proper divisors (1).

15196560217 is an equidigital number, since it uses as much as digits as its factorization.

15196560217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 15196560217 in words is "fifteen billion, one hundred ninety-six million, five hundred sixty thousand, two hundred seventeen".