12313541513544 has 32 divisors (see below), whose sum is σ = 30783968118720. Its totient is φ = 4104498593216.

The previous prime is 12313541513513. The next prime is 12313541513551. The reversal of 12313541513544 is 44531514531321.

It is a junction number, because it is equal to n+sod(n) for n = 12313541513496 and 12313541513505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6997534 + ... + 8578610.

It is an arithmetic number, because the mean of its divisors is an integer number (961999003710).

Almost surely, 2^{12313541513544} is an apocalyptic number.

It is an amenable number.

12313541513544 is an abundant number, since it is smaller than the sum of its proper divisors (18470426605176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313541513544 is a wasteful number, since it uses less digits than its factorization.

12313541513544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905589 (or 1905585 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The spelling of 12313541513544 in words is "twelve trillion, three hundred thirteen billion, five hundred forty-one million, five hundred thirteen thousand, five hundred forty-four".