2551255111 has 2 divisors, whose sum is σ = 2551255112. Its totient is φ = 2551255110.

The previous prime is 2551255087. The next prime is 2551255123. The reversal of 2551255111 is 1115521552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2551255111 - 2¹⁵ = 2551222343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551255111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551255211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275627555 + 1275627556.

It is an arithmetic number, because the mean of its divisors is an integer number (1275627556).

Almost surely, 2^2551255111 is an apocalyptic number.

2551255111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551255111 is an equidigital number, since it uses as much as digits as its factorization.

2551255111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2500, while the sum is 28.

The square root of 2551255111 is about 50509.9506137157. The cubic root of 2551255111 is about 1366.4213188826.

Adding to 2551255111 its reverse (1115521552), we get a palindrome (3666776663).

The spelling of 2551255111 in words is "two billion, five hundred fifty-one million, two hundred fifty-five thousand, one hundred eleven".