9915322505 has 16 divisors (see below), whose sum is σ = 13743592704. Its totient is φ = 6786958080.

The previous prime is 9915322499. The next prime is 9915322507. The reversal of 9915322505 is 5052235199.

It is not a de Polignac number, because 9915322505 - 2²⁴ = 9898545289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9915322507) 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 15 ways as a sum of consecutive naturals, for example, 5301377 + ... + 5303246.

It is an arithmetic number, because the mean of its divisors is an integer number (858974544).

Almost surely, 2^9915322505 is an apocalyptic number.

It is an amenable number.

9915322505 is a deficient number, since it is larger than the sum of its proper divisors (3828270199).

9915322505 is a wasteful number, since it uses less digits than its factorization.

9915322505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604656.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 9915322505 is about 99575.7124252696. The cubic root of 9915322505 is about 2148.3363734083.

The spelling of 9915322505 in words is "nine billion, nine hundred fifteen million, three hundred twenty-two thousand, five hundred five".