15808000000 has 364 divisors, whose sum is σ = 44793957880. Its totient is φ = 5529600000.

The previous prime is 15807999997. The next prime is 15808000009. The reversal of 15808000000 is 80851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15808000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 831999991 + ... + 832000009.

Almost surely, 2^15808000000 is an apocalyptic number.

15808000000 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 15808000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22396978940).

15808000000 is an abundant number, since it is smaller than the sum of its proper divisors (28985957880).

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

15808000000 is an frugal number, since it uses more digits than its factorization.

15808000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 15808000000 its reverse (80851), we get a palindrome (15808080851).

The spelling of 15808000000 in words is "fifteen billion, eight hundred eight million", and thus it is an aban number.