2111766089 has 2 divisors, whose sum is σ = 2111766090. Its totient is φ = 2111766088.

The previous prime is 2111766073. The next prime is 2111766113. The reversal of 2111766089 is 9806671112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1888771600 + 222994489 = 43460^2 + 14933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111766089 - 2⁴ = 2111766073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111766589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055883044 + 1055883045.

It is an arithmetic number, because the mean of its divisors is an integer number (1055883045).

Almost surely, 2^2111766089 is an apocalyptic number.

It is an amenable number.

2111766089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111766089 is an equidigital number, since it uses as much as digits as its factorization.

2111766089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2111766089 is about 45953.9561844244. The cubic root of 2111766089 is about 1282.9663642418.

The spelling of 2111766089 in words is "two billion, one hundred eleven million, seven hundred sixty-six thousand, eighty-nine".