9915115232359 has 2 divisors, whose sum is σ = 9915115232360. Its totient is φ = 9915115232358.

The previous prime is 9915115232311. The next prime is 9915115232389. The reversal of 9915115232359 is 9532325115199.

9915115232359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9915115232359 - 2¹⁹ = 9915114708071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9915115232389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4957557616179 + 4957557616180.

It is an arithmetic number, because the mean of its divisors is an integer number (4957557616180).

Almost surely, 2^{9915115232359} is an apocalyptic number.

9915115232359 is a deficient number, since it is larger than the sum of its proper divisors (1).

9915115232359 is an equidigital number, since it uses as much as digits as its factorization.

9915115232359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3280500, while the sum is 55.

The spelling of 9915115232359 in words is "nine trillion, nine hundred fifteen billion, one hundred fifteen million, two hundred thirty-two thousand, three hundred fifty-nine".