12432015115 has 24 divisors (see below), whose sum is σ = 16956103248. Its totient is φ = 8697360960.

The previous prime is 12432015103. The next prime is 12432015137. The reversal of 12432015115 is 51151023421.

12432015115 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 12432015115 - 2⁵ = 12432015083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12432015115.

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 23 ways as a sum of consecutive naturals, for example, 241441 + ... + 288370.

It is an arithmetic number, because the mean of its divisors is an integer number (706504302).

Almost surely, 2^12432015115 is an apocalyptic number.

12432015115 is a deficient number, since it is larger than the sum of its proper divisors (4524088133).

12432015115 is a wasteful number, since it uses less digits than its factorization.

12432015115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529867 (or 529848 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 12432015115 its reverse (51151023421), we get a palindrome (63583038536).

The spelling of 12432015115 in words is "twelve billion, four hundred thirty-two million, fifteen thousand, one hundred fifteen".