2505750811 has 2 divisors, whose sum is σ = 2505750812. Its totient is φ = 2505750810.

The previous prime is 2505750803. The next prime is 2505750833. The reversal of 2505750811 is 1180575052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505750811 - 2³ = 2505750803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505750011) 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, 1252875405 + 1252875406.

It is an arithmetic number, because the mean of its divisors is an integer number (1252875406).

Almost surely, 2^2505750811 is an apocalyptic number.

2505750811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505750811 is an equidigital number, since it uses as much as digits as its factorization.

2505750811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 34.

The square root of 2505750811 is about 50057.4750761562. The cubic root of 2505750811 is about 1358.2486848660.

The spelling of 2505750811 in words is "two billion, five hundred five million, seven hundred fifty thousand, eight hundred eleven".