2555511143 has 2 divisors, whose sum is σ = 2555511144. Its totient is φ = 2555511142.

The previous prime is 2555511131. The next prime is 2555511151. The reversal of 2555511143 is 3411155552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555511143 - 2²⁰ = 2554462567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551511143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277755571 + 1277755572.

It is an arithmetic number, because the mean of its divisors is an integer number (1277755572).

Almost surely, 2^2555511143 is an apocalyptic number.

2555511143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555511143 is an equidigital number, since it uses as much as digits as its factorization.

2555511143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15000, while the sum is 32.

The square root of 2555511143 is about 50552.0636868565. The cubic root of 2555511143 is about 1367.1807231437.

Adding to 2555511143 its reverse (3411155552), we get a palindrome (5966666695).

The spelling of 2555511143 in words is "two billion, five hundred fifty-five million, five hundred eleven thousand, one hundred forty-three".