12315505085496 has 72 divisors (see below), whose sum is σ = 35202387359880. Its totient is φ = 3889106860896.

The previous prime is 12315505085491. The next prime is 12315505085651. The reversal of 12315505085496 is 69458050551321.

12315505085496 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 550 + 5 + 0 + 85 + 4 + 9 + 6 = 666.

12315505085496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315505085491) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 236883540 + ... + 236935523.

It is an arithmetic number, because the mean of its divisors is an integer number (488922046665).

Almost surely, 2^{12315505085496} is an apocalyptic number.

It is an amenable number.

12315505085496 is an abundant number, since it is smaller than the sum of its proper divisors (22886882274384).

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

12315505085496 is a wasteful number, since it uses less digits than its factorization.

12315505085496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473819113 (or 473819087 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 12315505085496 in words is "twelve trillion, three hundred fifteen billion, five hundred five million, eighty-five thousand, four hundred ninety-six".