255020011 has 2 divisors, whose sum is σ = 255020012. Its totient is φ = 255020010.

The previous prime is 255019993. The next prime is 255020027. The reversal of 255020011 is 110020552.

It is an a-pointer prime, because the next prime (255020027) can be obtained adding 255020011 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255020011 - 2¹¹ = 255017963 is a prime.

It is not a weakly prime, because it can be changed into another prime (255050011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127510005 + 127510006.

It is an arithmetic number, because the mean of its divisors is an integer number (127510006).

Almost surely, 2^255020011 is an apocalyptic number.

255020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

255020011 is an equidigital number, since it uses as much as digits as its factorization.

255020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 255020011 is about 15969.3459790938. The cubic root of 255020011 is about 634.1491578522.

Adding to 255020011 its reverse (110020552), we get a palindrome (365040563).

The spelling of 255020011 in words is "two hundred fifty-five million, twenty thousand, eleven".