13415947985124 has 48 divisors (see below), whose sum is σ = 34782329514240. Its totient is φ = 4471951528800.

The previous prime is 13415947985123. The next prime is 13415947985171. The reversal of 13415947985124 is 42158974951431.

13415947985124 is a `hidden beast` number, since 1 + 3 + 4 + 159 + 479 + 8 + 5 + 1 + 2 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (13415947985123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19304074 + ... + 19986974.

It is an arithmetic number, because the mean of its divisors is an integer number (724631864880).

Almost surely, 2^{13415947985124} is an apocalyptic number.

It is an amenable number.

13415947985124 is an abundant number, since it is smaller than the sum of its proper divisors (21366381529116).

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

13415947985124 is a wasteful number, since it uses less digits than its factorization.

13415947985124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864817 (or 864809 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 13415947985124 in words is "thirteen trillion, four hundred fifteen billion, nine hundred forty-seven million, nine hundred eighty-five thousand, one hundred twenty-four".