5656518815699 has 2 divisors, whose sum is σ = 5656518815700. Its totient is φ = 5656518815698.

The previous prime is 5656518815641. The next prime is 5656518815713. The reversal of 5656518815699 is 9965188156565.

5656518815699 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5656518815699 - 2⁸ = 5656518815443 is a prime.

It is a super-2 number, since 2×5656518815699² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5656518815599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828259407849 + 2828259407850.

It is an arithmetic number, because the mean of its divisors is an integer number (2828259407850).

Almost surely, 2^{5656518815699} is an apocalyptic number.

5656518815699 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656518815699 is an equidigital number, since it uses as much as digits as its factorization.

5656518815699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840000, while the sum is 74.

The spelling of 5656518815699 in words is "five trillion, six hundred fifty-six billion, five hundred eighteen million, eight hundred fifteen thousand, six hundred ninety-nine".