15994875000 has 448 divisors, whose sum is σ = 57289891680. Its totient is φ = 3686400000.

The previous prime is 15994874963. The next prime is 15994875007. The reversal of 15994875000 is 57849951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15994875007) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 82874904 + ... + 82875096.

Almost surely, 2^15994875000 is an apocalyptic number.

15994875000 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 15994875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28644945840).

15994875000 is an abundant number, since it is smaller than the sum of its proper divisors (41295016680).

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

15994875000 is a wasteful number, since it uses less digits than its factorization.

15994875000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 15994875000 in words is "fifteen billion, nine hundred ninety-four million, eight hundred seventy-five thousand".