68651873211 has 16 divisors (see below), whose sum is σ = 96937755264. Its totient is φ = 43067923584.

The previous prime is 68651873209. The next prime is 68651873263. The reversal of 68651873211 is 11237815686.

It is not a de Polignac number, because 68651873211 - 2¹ = 68651873209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68651873281) 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, 171400 + ... + 408266.

It is an arithmetic number, because the mean of its divisors is an integer number (6058609704).

Almost surely, 2^68651873211 is an apocalyptic number.

68651873211 is a deficient number, since it is larger than the sum of its proper divisors (28285882053).

68651873211 is a wasteful number, since it uses less digits than its factorization.

68651873211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242570.

The product of its digits is 483840, while the sum is 48.

The spelling of 68651873211 in words is "sixty-eight billion, six hundred fifty-one million, eight hundred seventy-three thousand, two hundred eleven".