5255520211 has 2 divisors, whose sum is σ = 5255520212. Its totient is φ = 5255520210.

The previous prime is 5255520173. The next prime is 5255520229. The reversal of 5255520211 is 1120255525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5255520211 is a prime.

It is a super-3 number, since 3×5255520211³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5255520211.

It is not a weakly prime, because it can be changed into another prime (5255530211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627760105 + 2627760106.

It is an arithmetic number, because the mean of its divisors is an integer number (2627760106).

Almost surely, 2^5255520211 is an apocalyptic number.

5255520211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255520211 is an equidigital number, since it uses as much as digits as its factorization.

5255520211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 5255520211 is about 72494.9667977026. The cubic root of 5255520211 is about 1738.6222646373.

Adding to 5255520211 its reverse (1120255525), we get a palindrome (6375775736).

The spelling of 5255520211 in words is "five billion, two hundred fifty-five million, five hundred twenty thousand, two hundred eleven".