68353111135385 has 16 divisors (see below), whose sum is σ = 82255794610176. Its totient is φ = 54527843565888.

The previous prime is 68353111135367. The next prime is 68353111135391. The reversal of 68353111135385 is 58353111135386.

68353111135385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68353111135385 - 2¹⁰ = 68353111134361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4920992 + ... + 12685518.

It is an arithmetic number, because the mean of its divisors is an integer number (5140987163136).

Almost surely, 2^{68353111135385} is an apocalyptic number.

It is an amenable number.

68353111135385 is a deficient number, since it is larger than the sum of its proper divisors (13902683474791).

68353111135385 is a wasteful number, since it uses less digits than its factorization.

68353111135385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769512.

The product of its digits is 3888000, while the sum is 53.

Subtracting from 68353111135385 its reverse (58353111135386), we obtain a palindrome (9999999999999).

The spelling of 68353111135385 in words is "sixty-eight trillion, three hundred fifty-three billion, one hundred eleven million, one hundred thirty-five thousand, three hundred eighty-five".