318808080111 has 8 divisors (see below), whose sum is σ = 425423317680. Its totient is φ = 212365781312.

The previous prime is 318808080091. The next prime is 318808080119. The reversal of 318808080111 is 111080808813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 318808080111 - 2¹⁹ = 318807555823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318808080111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318808080119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43230390 + ... + 43237763.

It is an arithmetic number, because the mean of its divisors is an integer number (53177914710).

Almost surely, 2^318808080111 is an apocalyptic number.

318808080111 is a deficient number, since it is larger than the sum of its proper divisors (106615237569).

318808080111 is a wasteful number, since it uses less digits than its factorization.

318808080111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86469385.

The product of its (nonzero) digits is 12288, while the sum is 39.

Adding to 318808080111 its reverse (111080808813), we get a palindrome (429888888924).

The spelling of 318808080111 in words is "three hundred eighteen billion, eight hundred eight million, eighty thousand, one hundred eleven".