68864743311 has 16 divisors (see below), whose sum is σ = 113008809984. Its totient is φ = 36324260064.

The previous prime is 68864743303. The next prime is 68864743313. The reversal of 68864743311 is 11334746886.

It is a happy number.

It is not a de Polignac number, because 68864743311 - 2³ = 68864743303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68864743313) 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, 126125631 + ... + 126126176.

It is an arithmetic number, because the mean of its divisors is an integer number (7063050624).

Almost surely, 2^68864743311 is an apocalyptic number.

68864743311 is a deficient number, since it is larger than the sum of its proper divisors (44144066673).

68864743311 is a wasteful number, since it uses less digits than its factorization.

68864743311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252251830.

The product of its digits is 2322432, while the sum is 51.

It can be divided in two parts, 68864 and 743311, that added together give a triangular number (812175 = T₁₂₇₄).

The spelling of 68864743311 in words is "sixty-eight billion, eight hundred sixty-four million, seven hundred forty-three thousand, three hundred eleven".