68513504850117 has 32 divisors (see below), whose sum is σ = 102723632211200. Its totient is φ = 45127753606656.

The previous prime is 68513504850053. The next prime is 68513504850157. The reversal of 68513504850117 is 71105840531586.

68513504850117 is a `hidden beast` number, since 6 + 8 + 5 + 13 + 504 + 8 + 5 + 0 + 117 = 666.

It is not a de Polignac number, because 68513504850117 - 2⁶ = 68513504850053 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 (68513504850157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27244192 + ... + 29652537.

It is an arithmetic number, because the mean of its divisors is an integer number (3210113506600).

Almost surely, 2^{68513504850117} is an apocalyptic number.

It is an amenable number.

68513504850117 is a deficient number, since it is larger than the sum of its proper divisors (34210127361083).

68513504850117 is a wasteful number, since it uses less digits than its factorization.

68513504850117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56897274 (or 56897268 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 68513504850117 in words is "sixty-eight trillion, five hundred thirteen billion, five hundred four million, eight hundred fifty thousand, one hundred seventeen".