1318975320678 has 8 divisors (see below), whose sum is σ = 2637950641368. Its totient is φ = 439658440224.

The previous prime is 1318975320599. The next prime is 1318975320697. The reversal of 1318975320678 is 8760235798131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1318975320678 is an admirable number.

It is a congruent number.

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, 109914610051 + ... + 109914610062.

It is an arithmetic number, because the mean of its divisors is an integer number (329743830171).

Almost surely, 2^{1318975320678} is an apocalyptic number.

1318975320678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1318975320678 is a wasteful number, since it uses less digits than its factorization.

1318975320678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219829220118.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 1318975320678 in words is "one trillion, three hundred eighteen billion, nine hundred seventy-five million, three hundred twenty thousand, six hundred seventy-eight".