2111065529 has 2 divisors, whose sum is σ = 2111065530. Its totient is φ = 2111065528.

The previous prime is 2111065519. The next prime is 2111065531. The reversal of 2111065529 is 9255601112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1395396025 + 715669504 = 37355^2 + 26752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111065529 - 2⁴ = 2111065513 is a prime.

It is a Sophie Germain prime.

Together with 2111065531, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2111065495 and 2111065504.

It is not a weakly prime, because it can be changed into another prime (2111065519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055532764 + 1055532765.

It is an arithmetic number, because the mean of its divisors is an integer number (1055532765).

Almost surely, 2^2111065529 is an apocalyptic number.

It is an amenable number.

2111065529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111065529 is an equidigital number, since it uses as much as digits as its factorization.

2111065529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 2111065529 is about 45946.3331398709. Note that the first 3 decimals coincide. The cubic root of 2111065529 is about 1282.8244775799.

The spelling of 2111065529 in words is "two billion, one hundred eleven million, sixty-five thousand, five hundred twenty-nine".