1318361598720 has 360 divisors, whose sum is σ = 4844848632624. Its totient is φ = 342060392448.

The previous prime is 1318361598713. The next prime is 1318361598761. The reversal of 1318361598720 is 278951638131.

1318361598720 is a `hidden beast` number, since 1 + 3 + 18 + 3 + 615 + 9 + 8 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3664327 + ... + 4007993.

Almost surely, 2^{1318361598720} is an apocalyptic number.

1318361598720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318361598720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422424316312).

1318361598720 is an abundant number, since it is smaller than the sum of its proper divisors (3526487033904).

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

1318361598720 is an equidigital number, since it uses as much as digits as its factorization.

1318361598720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343737 (or 343714 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 1318361598720 in words is "one trillion, three hundred eighteen billion, three hundred sixty-one million, five hundred ninety-eight thousand, seven hundred twenty".