2556063103 has 32 divisors (see below), whose sum is σ = 3073593600. Its totient is φ = 2099462400.

The previous prime is 2556063047. The next prime is 2556063113. The reversal of 2556063103 is 3013606552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2556063103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556063113) 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 31 ways as a sum of consecutive naturals, for example, 500523 + ... + 505603.

It is an arithmetic number, because the mean of its divisors is an integer number (96049800).

Almost surely, 2^2556063103 is an apocalyptic number.

2556063103 is a deficient number, since it is larger than the sum of its proper divisors (517530497).

2556063103 is a wasteful number, since it uses less digits than its factorization.

2556063103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2556063103 is about 50557.5227142312. The cubic root of 2556063103 is about 1367.2791476474.

Adding to 2556063103 its reverse (3013606552), we get a palindrome (5569669655).

The spelling of 2556063103 in words is "two billion, five hundred fifty-six million, sixty-three thousand, one hundred three".