1518623808960 has 224 divisors, whose sum is σ = 5025981312000. Its totient is φ = 388016312320.

The previous prime is 1518623808943. The next prime is 1518623808971. The reversal of 1518623808960 is 698083268151.

It is a self number, because there is not a number n which added to its sum of digits gives 1518623808960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3438841 + ... + 3855239.

Almost surely, 2^{1518623808960} is an apocalyptic number.

1518623808960 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 1518623808960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512990656000).

1518623808960 is an abundant number, since it is smaller than the sum of its proper divisors (3507357503040).

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

1518623808960 is a wasteful number, since it uses less digits than its factorization.

1518623808960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416579 (or 416569 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 1518623808960 in words is "one trillion, five hundred eighteen billion, six hundred twenty-three million, eight hundred eight thousand, nine hundred sixty".