5255510111 has 2 divisors, whose sum is σ = 5255510112. Its totient is φ = 5255510110.

The previous prime is 5255510087. The next prime is 5255510171. The reversal of 5255510111 is 1110155525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5255510111 - 2¹⁰ = 5255509087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5255510171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627755055 + 2627755056.

It is an arithmetic number, because the mean of its divisors is an integer number (2627755056).

Almost surely, 2^5255510111 is an apocalyptic number.

5255510111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255510111 is an equidigital number, since it uses as much as digits as its factorization.

5255510111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 5255510111 is about 72494.8971376607. The cubic root of 5255510111 is about 1738.6211508816.

Adding to 5255510111 its reverse (1110155525), we get a palindrome (6365665636).

The spelling of 5255510111 in words is "five billion, two hundred fifty-five million, five hundred ten thousand, one hundred eleven".