68185751711 has 16 divisors (see below), whose sum is σ = 85066050048. Its totient is φ = 53097228000.

The previous prime is 68185751659. The next prime is 68185751719. The reversal of 68185751711 is 11715758186.

It is a cyclic number.

It is not a de Polignac number, because 68185751711 - 2¹⁴ = 68185735327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68185751711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68185751719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168140 + ... + 405761.

It is an arithmetic number, because the mean of its divisors is an integer number (5316628128).

Almost surely, 2^68185751711 is an apocalyptic number.

68185751711 is a deficient number, since it is larger than the sum of its proper divisors (16880298337).

68185751711 is a wasteful number, since it uses less digits than its factorization.

68185751711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575462.

The product of its digits is 470400, while the sum is 50.

It can be divided in two parts, 6818575 and 1711, that added together give a palindrome (6820286).

The spelling of 68185751711 in words is "sixty-eight billion, one hundred eighty-five million, seven hundred fifty-one thousand, seven hundred eleven".