2500566011 has 2 divisors, whose sum is σ = 2500566012. Its totient is φ = 2500566010.

The previous prime is 2500565959. The next prime is 2500566043. The reversal of 2500566011 is 1106650052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500566011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500566811) 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, 1250283005 + 1250283006.

It is an arithmetic number, because the mean of its divisors is an integer number (1250283006).

Almost surely, 2^2500566011 is an apocalyptic number.

2500566011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500566011 is an equidigital number, since it uses as much as digits as its factorization.

2500566011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2500566011 is about 50005.6597896678. The cubic root of 2500566011 is about 1357.3112265838.

The spelling of 2500566011 in words is "two billion, five hundred million, five hundred sixty-six thousand, eleven".