12315564434444 has 12 divisors (see below), whose sum is σ = 22820016452184. Its totient is φ = 5795559733824.

The previous prime is 12315564434423. The next prime is 12315564434477. The reversal of 12315564434444 is 44443446551321.

12315564434444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12315564434392 and 12315564434401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90555620774 + ... + 90555620909.

It is an arithmetic number, because the mean of its divisors is an integer number (1901668037682).

Almost surely, 2^{12315564434444} is an apocalyptic number.

It is an amenable number.

12315564434444 is a deficient number, since it is larger than the sum of its proper divisors (10504452017740).

12315564434444 is a wasteful number, since it uses less digits than its factorization.

12315564434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181111241704 (or 181111241702 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 50.

The spelling of 12315564434444 in words is "twelve trillion, three hundred fifteen billion, five hundred sixty-four million, four hundred thirty-four thousand, four hundred forty-four".