5656005911 has 2 divisors, whose sum is σ = 5656005912. Its totient is φ = 5656005910.

The previous prime is 5656005871. The next prime is 5656005917. The reversal of 5656005911 is 1195006565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5656005911 - 2⁶ = 5656005847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656005917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828002955 + 2828002956.

It is an arithmetic number, because the mean of its divisors is an integer number (2828002956).

Almost surely, 2^5656005911 is an apocalyptic number.

5656005911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656005911 is an equidigital number, since it uses as much as digits as its factorization.

5656005911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 5656005911 is about 75206.4220063686. The cubic root of 5656005911 is about 1781.7083618675.

The spelling of 5656005911 in words is "five billion, six hundred fifty-six million, five thousand, nine hundred eleven".