2555320311 has 8 divisors (see below), whose sum is σ = 3785659760. Its totient is φ = 1703546856.

The previous prime is 2555320277. The next prime is 2555320319. The reversal of 2555320311 is 1130235552.

It is a happy number.

2555320311 is a `hidden beast` number, since 25 + 5 + 5 + 320 + 311 = 666.

It is not a de Polignac number, because 2555320311 - 2⁶ = 2555320247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 94641493 = 2555320311 / (2 + 5 + 5 + 5 + 3 + 2 + 0 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555320319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47320720 + ... + 47320773.

It is an arithmetic number, because the mean of its divisors is an integer number (473207470).

Almost surely, 2^2555320311 is an apocalyptic number.

2555320311 is a deficient number, since it is larger than the sum of its proper divisors (1230339449).

2555320311 is an equidigital number, since it uses as much as digits as its factorization.

2555320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94641502 (or 94641496 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2555320311 is about 50550.1761717998. The cubic root of 2555320311 is about 1367.1466910314.

Adding to 2555320311 its reverse (1130235552), we get a palindrome (3685555863).

The spelling of 2555320311 in words is "two billion, five hundred fifty-five million, three hundred twenty thousand, three hundred eleven".