248841051498517 has 2 divisors, whose sum is σ = 248841051498518. Its totient is φ = 248841051498516.

The previous prime is 248841051498499. The next prime is 248841051498583. The reversal of 248841051498517 is 715894150148842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189864395998641 + 58976655499876 = 13779129^2 + 7679626^2 .

It is a cyclic number.

It is not a de Polignac number, because 248841051498517 - 2²³ = 248841043109909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248841051498587) 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, 124420525749258 + 124420525749259.

It is an arithmetic number, because the mean of its divisors is an integer number (124420525749259).

Almost surely, 2^{248841051498517} is an apocalyptic number.

It is an amenable number.

248841051498517 is a deficient number, since it is larger than the sum of its proper divisors (1).

248841051498517 is an equidigital number, since it uses as much as digits as its factorization.

248841051498517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103219200, while the sum is 67.

The spelling of 248841051498517 in words is "two hundred forty-eight trillion, eight hundred forty-one billion, fifty-one million, four hundred ninety-eight thousand, five hundred seventeen".