15530230115 has 16 divisors (see below), whose sum is σ = 19248473856. Its totient is φ = 12016512000.

The previous prime is 15530230109. The next prime is 15530230129. The reversal of 15530230115 is 51103203551.

It is a happy number.

15530230115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15530230115 - 2⁸ = 15530229859 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 251339 + ... + 306971.

It is an arithmetic number, because the mean of its divisors is an integer number (1203029616).

Almost surely, 2^15530230115 is an apocalyptic number.

15530230115 is a deficient number, since it is larger than the sum of its proper divisors (3718243741).

15530230115 is a wasteful number, since it uses less digits than its factorization.

15530230115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57470.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 15530230115 its reverse (51103203551), we get a palindrome (66633433666).

The spelling of 15530230115 in words is "fifteen billion, five hundred thirty million, two hundred thirty thousand, one hundred fifteen".