2556341211 has 8 divisors (see below), whose sum is σ = 3500575504. Its totient is φ = 1658167200.

The previous prime is 2556341191. The next prime is 2556341273. The reversal of 2556341211 is 1121436552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2556341211 - 2²¹ = 2554244059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556342211) 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, 11514940 + ... + 11515161.

It is an arithmetic number, because the mean of its divisors is an integer number (437571938).

Almost surely, 2^2556341211 is an apocalyptic number.

2556341211 is a deficient number, since it is larger than the sum of its proper divisors (944234293).

2556341211 is a wasteful number, since it uses less digits than its factorization.

2556341211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23030141.

The product of its digits is 7200, while the sum is 30.

The square root of 2556341211 is about 50560.2730510823. The cubic root of 2556341211 is about 1367.3287339922.

Adding to 2556341211 its reverse (1121436552), we get a palindrome (3677777763).

It can be divided in two parts, 2556341 and 211, that added together give a palindrome (2556552).

The spelling of 2556341211 in words is "two billion, five hundred fifty-six million, three hundred forty-one thousand, two hundred eleven".