15320510005 has 4 divisors (see below), whose sum is σ = 18384612012. Its totient is φ = 12256408000.

The previous prime is 15320509991. The next prime is 15320510011. The reversal of 15320510005 is 50001502351.

15320510005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50001502351 = 73 ⋅684952087.

It can be written as a sum of positive squares in 2 ways, for example, as 6608714436 + 8711795569 = 81294^2 + 93337^2 .

It is not a de Polignac number, because 15320510005 - 2²⁵ = 15286955573 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1532050996 + ... + 1532051005.

It is an arithmetic number, because the mean of its divisors is an integer number (4596153003).

Almost surely, 2^15320510005 is an apocalyptic number.

It is an amenable number.

15320510005 is a deficient number, since it is larger than the sum of its proper divisors (3064102007).

15320510005 is an equidigital number, since it uses as much as digits as its factorization.

15320510005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064102006.

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 15320510005 in words is "fifteen billion, three hundred twenty million, five hundred ten thousand, five".