568688825115509 has 8 divisors (see below), whose sum is σ = 650870650375488. Its totient is φ = 486742140987840.

The previous prime is 568688825115407. The next prime is 568688825115539. The reversal of 568688825115509 is 905511528886865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-568688825115509 is a prime.

It is a super-2 number, since 2×568688825115509² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 568688825115509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568688825115539) 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 in 7 ways as a sum of consecutive naturals, for example, 58785277892 + ... + 58785287565.

It is an arithmetic number, because the mean of its divisors is an integer number (81358831296936).

Almost surely, 2^{568688825115509} is an apocalyptic number.

It is an amenable number.

568688825115509 is a deficient number, since it is larger than the sum of its proper divisors (82181825259979).

568688825115509 is a wasteful number, since it uses less digits than its factorization.

568688825115509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117570566155.

The product of its (nonzero) digits is 1658880000, while the sum is 77.

The spelling of 568688825115509 in words is "five hundred sixty-eight trillion, six hundred eighty-eight billion, eight hundred twenty-five million, one hundred fifteen thousand, five hundred nine".