2065726511 has 2 divisors, whose sum is σ = 2065726512. Its totient is φ = 2065726510.

The previous prime is 2065726483. The next prime is 2065726517. The reversal of 2065726511 is 1156275602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065726511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065726517) 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, 1032863255 + 1032863256.

It is an arithmetic number, because the mean of its divisors is an integer number (1032863256).

Almost surely, 2^2065726511 is an apocalyptic number.

2065726511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065726511 is an equidigital number, since it uses as much as digits as its factorization.

2065726511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2065726511 is about 45450.2641466472. The cubic root of 2065726511 is about 1273.5742639974.

The spelling of 2065726511 in words is "two billion, sixty-five million, seven hundred twenty-six thousand, five hundred eleven".