2118188563 has 2 divisors, whose sum is σ = 2118188564. Its totient is φ = 2118188562.

The previous prime is 2118188551. The next prime is 2118188573. The reversal of 2118188563 is 3658818112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2118188563 - 2⁵ = 2118188531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2118188573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059094281 + 1059094282.

It is an arithmetic number, because the mean of its divisors is an integer number (1059094282).

Almost surely, 2^2118188563 is an apocalyptic number.

2118188563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118188563 is an equidigital number, since it uses as much as digits as its factorization.

2118188563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 43.

The square root of 2118188563 is about 46023.7825803138. The cubic root of 2118188563 is about 1284.2656683400.

The spelling of 2118188563 in words is "two billion, one hundred eighteen million, one hundred eighty-eight thousand, five hundred sixty-three".