15873881506560 has 5400 divisors, whose sum is σ = 79605807861888. Its totient is φ = 3004298035200.

The previous prime is 15873881506501. The next prime is 15873881506573. The reversal of 15873881506560 is 6560518837851.

15873881506560 is a `hidden beast` number, since 1 + 5 + 8 + 73 + 8 + 8 + 1 + 506 + 56 + 0 = 666.

It is a super-2 number, since 2×15873881506560² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 599 ways as a sum of consecutive naturals, for example, 512060693745 + ... + 512060693775.

Almost surely, 2^{15873881506560} is an apocalyptic number.

15873881506560 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 15873881506560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39802903930944).

15873881506560 is an abundant number, since it is smaller than the sum of its proper divisors (63731926355328).

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

15873881506560 is an equidigital number, since it uses as much as digits as its factorization.

15873881506560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 15873881506560 in words is "fifteen trillion, eight hundred seventy-three billion, eight hundred eighty-one million, five hundred six thousand, five hundred sixty".