2105105355 has 24 divisors (see below), whose sum is σ = 3783994032. Its totient is φ = 1122722208.

The previous prime is 2105105333. The next prime is 2105105407. The reversal of 2105105355 is 5535015012.

It is not a de Polignac number, because 2105105355 - 2⁹ = 2105104843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865084 + ... + 867513.

It is an arithmetic number, because the mean of its divisors is an integer number (157666418).

Almost surely, 2^2105105355 is an apocalyptic number.

2105105355 is a deficient number, since it is larger than the sum of its proper divisors (1678888677).

2105105355 is an equidigital number, since it uses as much as digits as its factorization.

2105105355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732617 (or 1732605 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 2105105355 is about 45881.4271247092. The cubic root of 2105105355 is about 1281.6160729742.

The spelling of 2105105355 in words is "two billion, one hundred five million, one hundred five thousand, three hundred fifty-five".