2105206552 has 16 divisors (see below), whose sum is σ = 3970081440. Its totient is φ = 1046518176.

The previous prime is 2105206511. The next prime is 2105206573. The reversal of 2105206552 is 2556025012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105206552.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 759168 + ... + 761935.

It is an arithmetic number, because the mean of its divisors is an integer number (248130090).

Almost surely, 2^2105206552 is an apocalyptic number.

It is an amenable number.

2105206552 is a deficient number, since it is larger than the sum of its proper divisors (1864874888).

2105206552 is a wasteful number, since it uses less digits than its factorization.

2105206552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521282 (or 1521278 counting only the distinct ones).

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

The square root of 2105206552 is about 45882.5299215290. The cubic root of 2105206552 is about 1281.6366093372.

The spelling of 2105206552 in words is "two billion, one hundred five million, two hundred six thousand, five hundred fifty-two".