1318487898000 has 1280 divisors, whose sum is σ = 5391014952960. Its totient is φ = 269835264000.

The previous prime is 1318487897971. The next prime is 1318487898011. The reversal of 1318487898000 is 8987848131.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4901441866 + ... + 4901442134.

It is an arithmetic number, because the mean of its divisors is an integer number (4211730432).

Almost surely, 2^{1318487898000} is an apocalyptic number.

1318487898000 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 1318487898000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2695507476480).

1318487898000 is an abundant number, since it is smaller than the sum of its proper divisors (4072527054960).

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

1318487898000 is a wasteful number, since it uses less digits than its factorization.

1318487898000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 57.

The spelling of 1318487898000 in words is "one trillion, three hundred eighteen billion, four hundred eighty-seven million, eight hundred ninety-eight thousand".