1315578680916 has 48 divisors (see below), whose sum is σ = 3113138649600. Its totient is φ = 432319235040.

The previous prime is 1315578680891. The next prime is 1315578680921. The reversal of 1315578680916 is 6190868755131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315578680916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14181315 + ... + 14273781.

It is an arithmetic number, because the mean of its divisors is an integer number (64857055200).

Almost surely, 2^{1315578680916} is an apocalyptic number.

It is an amenable number.

1315578680916 is an abundant number, since it is smaller than the sum of its proper divisors (1797559968684).

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

1315578680916 is a wasteful number, since it uses less digits than its factorization.

1315578680916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109244 (or 109242 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 1315578680916 in words is "one trillion, three hundred fifteen billion, five hundred seventy-eight million, six hundred eighty thousand, nine hundred sixteen".