111424161164 has 12 divisors (see below), whose sum is σ = 195006552384. Its totient is φ = 55708003344.

The previous prime is 111424161161. The next prime is 111424161187. The reversal of 111424161164 is 461161424111.

It is a happy number.

It is a super-2 number, since 2×111424161164² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111424161164.

It is not an unprimeable number, because it can be changed into a prime (111424161161) 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 3 ways as a sum of consecutive naturals, for example, 957404 + ... + 1067459.

It is an arithmetic number, because the mean of its divisors is an integer number (16250546032).

Almost surely, 2^111424161164 is an apocalyptic number.

It is an amenable number.

111424161164 is a deficient number, since it is larger than the sum of its proper divisors (83582391220).

111424161164 is a wasteful number, since it uses less digits than its factorization.

111424161164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038624 (or 2038622 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

Adding to 111424161164 its reverse (461161424111), we get a palindrome (572585585275).

The spelling of 111424161164 in words is "one hundred eleven billion, four hundred twenty-four million, one hundred sixty-one thousand, one hundred sixty-four".