12115504302413 has 4 divisors (see below), whose sum is σ = 12115532935068. Its totient is φ = 12115475669760.

The previous prime is 12115504302379. The next prime is 12115504302427. The reversal of 12115504302413 is 31420340551121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1181649439369 + 10933854863044 = 1087037^2 + 3306638^2 .

It is a cyclic number.

It is not a de Polignac number, because 12115504302413 - 2⁸ = 12115504302157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12115504302413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115504302463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13671956 + ... + 14531117.

It is an arithmetic number, because the mean of its divisors is an integer number (3028883233767).

Almost surely, 2^{12115504302413} is an apocalyptic number.

It is an amenable number.

12115504302413 is a deficient number, since it is larger than the sum of its proper divisors (28632655).

12115504302413 is an equidigital number, since it uses as much as digits as its factorization.

12115504302413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632654.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12115504302413 its reverse (31420340551121), we get a palindrome (43535844853534).

The spelling of 12115504302413 in words is "twelve trillion, one hundred fifteen billion, five hundred four million, three hundred two thousand, four hundred thirteen".