122511611163 has 16 divisors (see below), whose sum is σ = 164583507200. Its totient is φ = 81059131296.

The previous prime is 122511611141. The next prime is 122511611179. The reversal of 122511611163 is 361116115221.

It is not a de Polignac number, because 122511611163 - 2⁹ = 122511610651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122511611163.

It is not an unprimeable number, because it can be changed into a prime (122511611113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21445 + ... + 495462.

It is an arithmetic number, because the mean of its divisors is an integer number (10286469200).

Almost surely, 2^122511611163 is an apocalyptic number.

122511611163 is a deficient number, since it is larger than the sum of its proper divisors (42071896037).

122511611163 is a wasteful number, since it uses less digits than its factorization.

122511611163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517506.

The product of its digits is 2160, while the sum is 30.

Adding to 122511611163 its reverse (361116115221), we get a palindrome (483627726384).

The spelling of 122511611163 in words is "one hundred twenty-two billion, five hundred eleven million, six hundred eleven thousand, one hundred sixty-three".