8113725223613 has 2 divisors, whose sum is σ = 8113725223614. Its totient is φ = 8113725223612.

The previous prime is 8113725223561. The next prime is 8113725223651. The reversal of 8113725223613 is 3163225273118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7995084243364 + 118640980249 = 2827558^2 + 344443^2 .

It is a cyclic number.

It is not a de Polignac number, because 8113725223613 - 2¹² = 8113725219517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8113725223663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056862611806 + 4056862611807.

It is an arithmetic number, because the mean of its divisors is an integer number (4056862611807).

Almost surely, 2^{8113725223613} is an apocalyptic number.

It is an amenable number.

8113725223613 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113725223613 is an equidigital number, since it uses as much as digits as its factorization.

8113725223613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

It can be divided in two parts, 8113725 and 223613, that added together give a palindrome (8337338).

The spelling of 8113725223613 in words is "eight trillion, one hundred thirteen billion, seven hundred twenty-five million, two hundred twenty-three thousand, six hundred thirteen".