180831831411 has 24 divisors (see below), whose sum is σ = 305971487424. Its totient is φ = 93938612880.

The previous prime is 180831831377. The next prime is 180831831421. The reversal of 180831831411 is 114138138081.

180831831411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 180831831411 - 2¹¹ = 180831829363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180831831411.

It is not an unprimeable number, because it can be changed into a prime (180831831421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55914225 + ... + 55917458.

It is an arithmetic number, because the mean of its divisors is an integer number (12748811976).

Almost surely, 2^180831831411 is an apocalyptic number.

180831831411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

180831831411 is a deficient number, since it is larger than the sum of its proper divisors (125139656013).

180831831411 is a wasteful number, since it uses less digits than its factorization.

180831831411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111831711 (or 111831704 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

Adding to 180831831411 its reverse (114138138081), we get a palindrome (294969969492).

The spelling of 180831831411 in words is "one hundred eighty billion, eight hundred thirty-one million, eight hundred thirty-one thousand, four hundred eleven".