15000000005 has 8 divisors (see below), whose sum is σ = 18002417400. Its totient is φ = 11998388416.

The previous prime is 14999999969. The next prime is 15000000007. The reversal of 15000000005 is 50000000051.

15000000005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 279759076 + 14720240929 = 16726^2 + 121327^2 .

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 15000000005 - 2¹⁸ = 14999737861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000000007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 159710 + ... + 235599.

It is an arithmetic number, because the mean of its divisors is an integer number (2250302175).

Almost surely, 2^15000000005 is an apocalyptic number.

It is an amenable number.

15000000005 is a deficient number, since it is larger than the sum of its proper divisors (3002417395).

15000000005 is an equidigital number, since it uses as much as digits as its factorization.

15000000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402903.

The product of its (nonzero) digits is 25, while the sum is 11.

Adding to 15000000005 its reverse (50000000051), we get a palindrome (65000000056).

The spelling of 15000000005 in words is "fifteen billion, five", and thus it is an aban number and an uban number.