268337978589311 has 16 divisors (see below), whose sum is σ = 277800256074240. Its totient is φ = 258889693154400.

The previous prime is 268337978589259. The next prime is 268337978589313. The reversal of 268337978589311 is 113985879733862.

It is a cyclic number.

It is not a de Polignac number, because 268337978589311 - 2¹⁰ = 268337978588287 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 (268337978589313) 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, 357862736 + ... + 358611786.

It is an arithmetic number, because the mean of its divisors is an integer number (17362516004640).

Almost surely, 2^{268337978589311} is an apocalyptic number.

268337978589311 is a deficient number, since it is larger than the sum of its proper divisors (9462277484929).

268337978589311 is a wasteful number, since it uses less digits than its factorization.

268337978589311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758374.

The product of its digits is 3292047360, while the sum is 80.

The spelling of 268337978589311 in words is "two hundred sixty-eight trillion, three hundred thirty-seven billion, nine hundred seventy-eight million, five hundred eighty-nine thousand, three hundred eleven".