12615340163 has 8 divisors (see below), whose sum is σ = 12634180416. Its totient is φ = 12596516800.

The previous prime is 12615340159. The next prime is 12615340183. The reversal of 12615340163 is 36104351621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12615340163 - 2² = 12615340159 is a prime.

It is a super-3 number, since 3×12615340163³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12615340123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341733 + ... + 2347113.

It is an arithmetic number, because the mean of its divisors is an integer number (1579272552).

Almost surely, 2^12615340163 is an apocalyptic number.

12615340163 is a deficient number, since it is larger than the sum of its proper divisors (18840253).

12615340163 is a wasteful number, since it uses less digits than its factorization.

12615340163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 12615340163 its reverse (36104351621), we get a palindrome (48719691784).

The spelling of 12615340163 in words is "twelve billion, six hundred fifteen million, three hundred forty thousand, one hundred sixty-three".