12115630506415 has 4 divisors (see below), whose sum is σ = 14538756607704. Its totient is φ = 9692504405128.

The previous prime is 12115630506401. The next prime is 12115630506437. The reversal of 12115630506415 is 51460503651121.

12115630506415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12115630506415 - 2²¹ = 12115628409263 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211563050637 + ... + 1211563050646.

It is an arithmetic number, because the mean of its divisors is an integer number (3634689151926).

Almost surely, 2^{12115630506415} is an apocalyptic number.

12115630506415 is a deficient number, since it is larger than the sum of its proper divisors (2423126101289).

12115630506415 is an equidigital number, since it uses as much as digits as its factorization.

12115630506415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423126101288.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 12115630506415 in words is "twelve trillion, one hundred fifteen billion, six hundred thirty million, five hundred six thousand, four hundred fifteen".