215005000005 has 24 divisors (see below), whose sum is σ = 372686535000. Its totient is φ = 114665886720.

The previous prime is 215004999977. The next prime is 215005000009. The reversal of 215005000005 is 500000500512.

215005000005 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 19533137121 + 195471862884 = 139761^2 + 442122^2 .

It is not a de Polignac number, because 215005000005 - 2¹⁴ = 215004983621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215005000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2310621 + ... + 2401869.

It is an arithmetic number, because the mean of its divisors is an integer number (15528605625).

Almost surely, 2^215005000005 is an apocalyptic number.

It is an amenable number.

215005000005 is a deficient number, since it is larger than the sum of its proper divisors (157681534995).

215005000005 is a wasteful number, since it uses less digits than its factorization.

215005000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143621 (or 143618 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

Adding to 215005000005 its reverse (500000500512), we get a palindrome (715005500517).

The spelling of 215005000005 in words is "two hundred fifteen billion, five million, five", and thus it is an aban number.