248440102117 has 4 divisors (see below), whose sum is σ = 257007002220. Its totient is φ = 239873202016.

The previous prime is 248440102111. The next prime is 248440102123. The reversal of 248440102117 is 711201044842.

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

It is an interprime number because it is at equal distance from previous prime (248440102111) and next prime (248440102123).

It can be written as a sum of positive squares in 2 ways, for example, as 111683624481 + 136756477636 = 334191^2 + 369806^2 .

It is a cyclic number.

It is not a de Polignac number, because 248440102117 - 2²⁷ = 248305884389 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 (248440102111) 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, 4283450008 + ... + 4283450065.

It is an arithmetic number, because the mean of its divisors is an integer number (64251750555).

Almost surely, 2^248440102117 is an apocalyptic number.

It is an amenable number.

248440102117 is a deficient number, since it is larger than the sum of its proper divisors (8566900103).

248440102117 is an equidigital number, since it uses as much as digits as its factorization.

248440102117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566900102.

The product of its (nonzero) digits is 14336, while the sum is 34.

Adding to 248440102117 its reverse (711201044842), we get a palindrome (959641146959).

The spelling of 248440102117 in words is "two hundred forty-eight billion, four hundred forty million, one hundred two thousand, one hundred seventeen".