2111585339189 has 2 divisors, whose sum is σ = 2111585339190. Its totient is φ = 2111585339188.

The previous prime is 2111585339183. The next prime is 2111585339197. The reversal of 2111585339189 is 9819335851112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1973083762225 + 138501576964 = 1404665^2 + 372158^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111585339189 - 2⁴ = 2111585339173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111585339183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055792669594 + 1055792669595.

It is an arithmetic number, because the mean of its divisors is an integer number (1055792669595).

Almost surely, 2^{2111585339189} is an apocalyptic number.

It is an amenable number.

2111585339189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111585339189 is an equidigital number, since it uses as much as digits as its factorization.

2111585339189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 56.

The spelling of 2111585339189 in words is "two trillion, one hundred eleven billion, five hundred eighty-five million, three hundred thirty-nine thousand, one hundred eighty-nine".