2566275011 has 2 divisors, whose sum is σ = 2566275012.
Its totient is φ = 2566275010.
The previous prime is 2566275007. The next prime is 2566275029. The reversal of 2566275011 is 1105726652.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2566275011 - 22 = 2566275007 is a prime.
It is not a weakly prime, because it can be changed into another prime (2566275311) 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, 1283137505 + 1283137506.
It is an arithmetic number, because the mean of its divisors is an integer number (1283137506).
Almost surely, 22566275011 is an apocalyptic number.
2566275011 is a deficient number, since it is larger than the sum of its proper divisors (1).
2566275011 is an equidigital number, since it uses as much as digits as its factorization.
2566275011 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 2566275011 is about 50658.4150067884.
The cubic root of 2566275011 is about 1369.0975659516.
The spelling of 2566275011 in words is "two billion, five hundred sixty-six million, two hundred seventy-five thousand, eleven".