12115144405636 has 24 divisors (see below), whose sum is σ = 22695631812000. Its totient is φ = 5641485617664.

The previous prime is 12115144405633. The next prime is 12115144405687. The reversal of 12115144405636 is 63650444151121.

It is a junction number, because it is equal to n+sod(n) for n = 12115144405592 and 12115144405601.

It is not an unprimeable number, because it can be changed into a prime (12115144405633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350925981 + ... + 1350934948.

It is an arithmetic number, because the mean of its divisors is an integer number (945651325500).

Almost surely, 2^{12115144405636} is an apocalyptic number.

It is an amenable number.

12115144405636 is a deficient number, since it is larger than the sum of its proper divisors (10580487406364).

12115144405636 is a wasteful number, since it uses less digits than its factorization.

12115144405636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701861011 (or 2701861009 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 12115144405636 its reverse (63650444151121), we get a palindrome (75765588556757).

The spelling of 12115144405636 in words is "twelve trillion, one hundred fifteen billion, one hundred forty-four million, four hundred five thousand, six hundred thirty-six".