2105107556 has 6 divisors (see below), whose sum is σ = 3683938230. Its totient is φ = 1052553776.

The previous prime is 2105107541. The next prime is 2105107573. The reversal of 2105107556 is 6557015012.

It can be written as a sum of positive squares in only one way, i.e., 1828417600 + 276689956 = 42760^2 + 16634^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263138441 + ... + 263138448.

It is an arithmetic number, because the mean of its divisors is an integer number (613989705).

Almost surely, 2^2105107556 is an apocalyptic number.

It is an amenable number.

2105107556 is a deficient number, since it is larger than the sum of its proper divisors (1578830674).

2105107556 is a wasteful number, since it uses less digits than its factorization.

2105107556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526276893 (or 526276891 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 2105107556 is about 45881.4511104433. The cubic root of 2105107556 is about 1281.6165196400.

The spelling of 2105107556 in words is "two billion, one hundred five million, one hundred seven thousand, five hundred fifty-six".