2556660411 has 12 divisors (see below), whose sum is σ = 3783026520. Its totient is φ = 1662868320.

The previous prime is 2556660391. The next prime is 2556660419. The reversal of 2556660411 is 1140666552.

2556660411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556660411 - 2⁷ = 2556660283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2556660419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3463941 + ... + 3464678.

It is an arithmetic number, because the mean of its divisors is an integer number (315252210).

Almost surely, 2^2556660411 is an apocalyptic number.

2556660411 is a deficient number, since it is larger than the sum of its proper divisors (1226366109).

2556660411 is a wasteful number, since it uses less digits than its factorization.

2556660411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928666 (or 6928663 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2556660411 is about 50563.4295810717. The cubic root of 2556660411 is about 1367.3856425621.

It can be divided in two parts, 255 and 6660411, that added together give a palindrome (6660666).

The spelling of 2556660411 in words is "two billion, five hundred fifty-six million, six hundred sixty thousand, four hundred eleven".