2168558011 has 2 divisors, whose sum is σ = 2168558012. Its totient is φ = 2168558010.

The previous prime is 2168557999. The next prime is 2168558023. The reversal of 2168558011 is 1108558612.

It is a balanced prime because it is at equal distance from previous prime (2168557999) and next prime (2168558023).

It is a cyclic number.

It is not a de Polignac number, because 2168558011 - 2⁷ = 2168557883 is a prime.

It is a super-2 number, since 2×2168558011² = 9405287694144552242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2168558071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084279005 + 1084279006.

It is an arithmetic number, because the mean of its divisors is an integer number (1084279006).

Almost surely, 2^2168558011 is an apocalyptic number.

2168558011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168558011 is an equidigital number, since it uses as much as digits as its factorization.

2168558011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 37.

The square root of 2168558011 is about 46567.7786779657. The cubic root of 2168558011 is about 1294.3657565145.

The spelling of 2168558011 in words is "two billion, one hundred sixty-eight million, five hundred fifty-eight thousand, eleven".