2556004105 has 8 divisors (see below), whose sum is σ = 3112984512. Its totient is φ = 2014283568.

The previous prime is 2556004093. The next prime is 2556004153. The reversal of 2556004105 is 5014006552.

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

It is a cyclic number.

It is not a de Polignac number, because 2556004105 - 2⁷ = 2556003977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814597 + ... + 3815266.

It is an arithmetic number, because the mean of its divisors is an integer number (389123064).

Almost surely, 2^2556004105 is an apocalyptic number.

It is an amenable number.

2556004105 is a deficient number, since it is larger than the sum of its proper divisors (556980407).

2556004105 is an equidigital number, since it uses as much as digits as its factorization.

2556004105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629935.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2556004105 is about 50556.9392368644. The cubic root of 2556004105 is about 1367.2686279077.

The spelling of 2556004105 in words is "two billion, five hundred fifty-six million, four thousand, one hundred five".