12315542332365 has 16 divisors (see below), whose sum is σ = 21894297480000. Its totient is φ = 6568289243856.

The previous prime is 12315542332363. The next prime is 12315542332367. The reversal of 12315542332365 is 56323324551321.

12315542332365 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 5 + 54 + 233 + 2 + 365 = 666.

It is an interprime number because it is at equal distance from previous prime (12315542332363) and next prime (12315542332367).

It is not a de Polignac number, because 12315542332365 - 2¹ = 12315542332363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12315542332365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315542332363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45613119615 + ... + 45613119884.

It is an arithmetic number, because the mean of its divisors is an integer number (1368393592500).

Almost surely, 2^{12315542332365} is an apocalyptic number.

12315542332365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12315542332365 is a deficient number, since it is larger than the sum of its proper divisors (9578755147635).

12315542332365 is an equidigital number, since it uses as much as digits as its factorization.

12315542332365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91226239513 (or 91226239507 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

Adding to 12315542332365 its reverse (56323324551321), we get a palindrome (68638866883686).

The spelling of 12315542332365 in words is "twelve trillion, three hundred fifteen billion, five hundred forty-two million, three hundred thirty-two thousand, three hundred sixty-five".