12311063145 has 96 divisors (see below), whose sum is σ = 23654592000. Its totient is φ = 5891500032.

The previous prime is 12311063143. The next prime is 12311063189. The reversal of 12311063145 is 54136011321.

It is a happy number.

12311063145 is a `hidden beast` number, since 1 + 23 + 1 + 1 + 0 + 631 + 4 + 5 = 666.

It is not a de Polignac number, because 12311063145 - 2¹ = 12311063143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12311063143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6315631 + ... + 6317579.

It is an arithmetic number, because the mean of its divisors is an integer number (246402000).

Almost surely, 2^12311063145 is an apocalyptic number.

12311063145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12311063145 is a deficient number, since it is larger than the sum of its proper divisors (11343528855).

12311063145 is a wasteful number, since it uses less digits than its factorization.

12311063145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 12311063145 its reverse (54136011321), we get a palindrome (66447074466).

The spelling of 12311063145 in words is "twelve billion, three hundred eleven million, sixty-three thousand, one hundred forty-five".