2555867311 has 4 divisors (see below), whose sum is σ = 2559019624. Its totient is φ = 2552715000.

The previous prime is 2555867309. The next prime is 2555867339. The reversal of 2555867311 is 1137685552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555867311 - 2¹ = 2555867309 is a prime.

It is a super-2 number, since 2×2555867311² = 13064915422876741442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555867351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574940 + ... + 1576561.

It is an arithmetic number, because the mean of its divisors is an integer number (639754906).

Almost surely, 2^2555867311 is an apocalyptic number.

2555867311 is a deficient number, since it is larger than the sum of its proper divisors (3152313).

2555867311 is an equidigital number, since it uses as much as digits as its factorization.

2555867311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152312.

The product of its digits is 252000, while the sum is 43.

The square root of 2555867311 is about 50555.5863480981. The cubic root of 2555867311 is about 1367.2442359957.

The spelling of 2555867311 in words is "two billion, five hundred fifty-five million, eight hundred sixty-seven thousand, three hundred eleven".