180411121116 has 36 divisors (see below), whose sum is σ = 480041289000. Its totient is φ = 56971932768.

The previous prime is 180411121063. The next prime is 180411121117. The reversal of 180411121116 is 611121114081.

180411121116 is a `hidden beast` number, since 18 + 0 + 411 + 121 + 116 = 666.

180411121116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 180411121116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180411121117) 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 11 ways as a sum of consecutive naturals, for example, 131878791 + ... + 131880158.

It is an arithmetic number, because the mean of its divisors is an integer number (13334480250).

Almost surely, 2^180411121116 is an apocalyptic number.

It is an amenable number.

180411121116 is an abundant number, since it is smaller than the sum of its proper divisors (299630167884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180411121116 is a wasteful number, since it uses less digits than its factorization.

180411121116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263758978 (or 263758973 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 27.

Adding to 180411121116 its reverse (611121114081), we get a palindrome (791532235197).

The spelling of 180411121116 in words is "one hundred eighty billion, four hundred eleven million, one hundred twenty-one thousand, one hundred sixteen".