2556120110 has 16 divisors (see below), whose sum is σ = 4637246976. Its totient is φ = 1014396768.

The previous prime is 2556120109. The next prime is 2556120131. The reversal of 2556120110 is 110216552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005077 + ... + 1007616.

It is an arithmetic number, because the mean of its divisors is an integer number (289827936).

Almost surely, 2^2556120110 is an apocalyptic number.

2556120110 is a deficient number, since it is larger than the sum of its proper divisors (2081126866).

2556120110 is a wasteful number, since it uses less digits than its factorization.

2556120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012827.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2556120110 is about 50558.0864946449. The cubic root of 2556120110 is about 1367.2893122247.

Adding to 2556120110 its reverse (110216552), we get a palindrome (2666336662).

The spelling of 2556120110 in words is "two billion, five hundred fifty-six million, one hundred twenty thousand, one hundred ten".