48917767991117 has 2 divisors, whose sum is σ = 48917767991118. Its totient is φ = 48917767991116.

The previous prime is 48917767991039. The next prime is 48917767991119. The reversal of 48917767991117 is 71119976771984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41451178951081 + 7466589040036 = 6438259^2 + 2732506^2 .

It is a cyclic number.

It is not a de Polignac number, because 48917767991117 - 2¹⁶ = 48917767925581 is a prime.

Together with 48917767991119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48917767991119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24458883995558 + 24458883995559.

It is an arithmetic number, because the mean of its divisors is an integer number (24458883995559).

Almost surely, 2^{48917767991117} is an apocalyptic number.

It is an amenable number.

48917767991117 is a deficient number, since it is larger than the sum of its proper divisors (1).

48917767991117 is an equidigital number, since it uses as much as digits as its factorization.

48917767991117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336063168, while the sum is 77.

The spelling of 48917767991117 in words is "forty-eight trillion, nine hundred seventeen billion, seven hundred sixty-seven million, nine hundred ninety-one thousand, one hundred seventeen".