248117759999 has 4 divisors (see below), whose sum is σ = 248148555720. Its totient is φ = 248086964280.

The previous prime is 248117759993. The next prime is 248117760047. The reversal of 248117759999 is 999957711842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248117759999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248117759993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15385772 + ... + 15401889.

It is an arithmetic number, because the mean of its divisors is an integer number (62037138930).

Almost surely, 2^248117759999 is an apocalyptic number.

248117759999 is a deficient number, since it is larger than the sum of its proper divisors (30795721).

248117759999 is an equidigital number, since it uses as much as digits as its factorization.

248117759999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30795720.

The product of its digits is 102876480, while the sum is 71.

The spelling of 248117759999 in words is "two hundred forty-eight billion, one hundred seventeen million, seven hundred fifty-nine thousand, nine hundred ninety-nine".