1487317085520 has 320 divisors, whose sum is σ = 5518343946240. Its totient is φ = 324001142784.

The previous prime is 1487317085509. The next prime is 1487317085563. The reversal of 1487317085520 is 255807137841.

It is a super-2 number, since 2×1487317085520² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10633801 + ... + 10772759.

It is an arithmetic number, because the mean of its divisors is an integer number (17244824832).

Almost surely, 2^{1487317085520} is an apocalyptic number.

1487317085520 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 1487317085520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759171973120).

1487317085520 is an abundant number, since it is smaller than the sum of its proper divisors (4031026860720).

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

1487317085520 is a wasteful number, since it uses less digits than its factorization.

1487317085520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139282 (or 139276 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 1487317085520 in words is "one trillion, four hundred eighty-seven billion, three hundred seventeen million, eighty-five thousand, five hundred twenty".