12315501343125 has 160 divisors (see below), whose sum is σ = 23576009262080. Its totient is φ = 6345216000000.

The previous prime is 12315501343069. The next prime is 12315501343133. The reversal of 12315501343125 is 52134310551321.

It is a happy number.

12315501343125 is a `hidden beast` number, since 1 + 2 + 31 + 550 + 13 + 43 + 1 + 25 = 666.

12315501343125 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 12315501343125 - 2⁸ = 12315501342869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12315501343125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 301822725 + ... + 301863525.

It is an arithmetic number, because the mean of its divisors is an integer number (147350057888).

Almost surely, 2^{12315501343125} is an apocalyptic number.

12315501343125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12315501343125 is a deficient number, since it is larger than the sum of its proper divisors (11260507918955).

12315501343125 is an equidigital number, since it uses as much as digits as its factorization.

12315501343125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41438 (or 41417 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 12315501343125 its reverse (52134310551321), we get a palindrome (64449811894446).

The spelling of 12315501343125 in words is "twelve trillion, three hundred fifteen billion, five hundred one million, three hundred forty-three thousand, one hundred twenty-five".