12116228553 has 24 divisors (see below), whose sum is σ = 20560874880. Its totient is φ = 6778308960.

The previous prime is 12116228549. The next prime is 12116228587. The reversal of 12116228553 is 35582261121.

12116228553 is a `hidden beast` number, since 1 + 21 + 1 + 62 + 28 + 553 = 666.

It is not a de Polignac number, because 12116228553 - 2² = 12116228549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12116228533) 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, 4705873 + ... + 4708446.

It is an arithmetic number, because the mean of its divisors is an integer number (856703120).

Almost surely, 2^12116228553 is an apocalyptic number.

12116228553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12116228553 is a deficient number, since it is larger than the sum of its proper divisors (8444646327).

12116228553 is a wasteful number, since it uses less digits than its factorization.

12116228553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414349 (or 9414346 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

Adding to 12116228553 its reverse (35582261121), we get a palindrome (47698489674).

The spelling of 12116228553 in words is "twelve billion, one hundred sixteen million, two hundred twenty-eight thousand, five hundred fifty-three".