12315356510506 has 8 divisors (see below), whose sum is σ = 21112039732320. Its totient is φ = 5278009933068.

The previous prime is 12315356510503. The next prime is 12315356510533. The reversal of 12315356510506 is 60501565351321.

12315356510506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12315356510503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439834161076 + ... + 439834161103.

It is an arithmetic number, because the mean of its divisors is an integer number (2639004966540).

Almost surely, 2^{12315356510506} is an apocalyptic number.

12315356510506 is a deficient number, since it is larger than the sum of its proper divisors (8796683221814).

12315356510506 is an equidigital number, since it uses as much as digits as its factorization.

12315356510506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879668322188.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 12315356510506 in words is "twelve trillion, three hundred fifteen billion, three hundred fifty-six million, five hundred ten thousand, five hundred six".