68481818115 has 8 divisors (see below), whose sum is σ = 109570909008. Its totient is φ = 36523636320.

The previous prime is 68481818107. The next prime is 68481818137. The reversal of 68481818115 is 51181818486.

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

It is not a de Polignac number, because 68481818115 - 2³ = 68481818107 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282727256 + ... + 2282727285.

It is an arithmetic number, because the mean of its divisors is an integer number (13696363626).

Almost surely, 2^68481818115 is an apocalyptic number.

68481818115 is a deficient number, since it is larger than the sum of its proper divisors (41089090893).

68481818115 is a wasteful number, since it uses less digits than its factorization.

68481818115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565454549.

The product of its digits is 491520, while the sum is 51.

The spelling of 68481818115 in words is "sixty-eight billion, four hundred eighty-one million, eight hundred eighteen thousand, one hundred fifteen".