15996000005 has 8 divisors (see below), whose sum is σ = 19195880472. Its totient is φ = 12796346368.

The previous prime is 15996000001. The next prime is 15996000011. The reversal of 15996000005 is 50000069951.

It can be written as a sum of positive squares in 4 ways, for example, as 2184814564 + 13811185441 = 46742^2 + 117521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15996000005 - 2² = 15996000001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15996000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232997 + ... + 293733.

It is an arithmetic number, because the mean of its divisors is an integer number (2399485059).

Almost surely, 2^15996000005 is an apocalyptic number.

It is an amenable number.

15996000005 is a deficient number, since it is larger than the sum of its proper divisors (3199880467).

15996000005 is an equidigital number, since it uses as much as digits as its factorization.

15996000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113415.

The product of its (nonzero) digits is 12150, while the sum is 35.

Adding to 15996000005 its reverse (50000069951), we get a palindrome (65996069956).

The spelling of 15996000005 in words is "fifteen billion, nine hundred ninety-six million, five", and thus it is an aban number.