15217082865241 has 2 divisors, whose sum is σ = 15217082865242. Its totient is φ = 15217082865240.

The previous prime is 15217082865223. The next prime is 15217082865317. The reversal of 15217082865241 is 14256828071251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11846186865241 + 3370896000000 = 3441829^2 + 1836000^2 .

It is a cyclic number.

It is not a de Polignac number, because 15217082865241 - 2⁵ = 15217082865209 is a prime.

It is a super-2 number, since 2×15217082865241² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15217082865221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7608541432620 + 7608541432621.

It is an arithmetic number, because the mean of its divisors is an integer number (7608541432621).

Almost surely, 2^{15217082865241} is an apocalyptic number.

It is an amenable number.

15217082865241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15217082865241 is an equidigital number, since it uses as much as digits as its factorization.

15217082865241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 15217082865241 in words is "fifteen trillion, two hundred seventeen billion, eighty-two million, eight hundred sixty-five thousand, two hundred forty-one".