2105564656110 has 32 divisors (see below), whose sum is σ = 5054164549632. Its totient is φ = 561393977760.

The previous prime is 2105564656043. The next prime is 2105564656231. The reversal of 2105564656110 is 116564655012.

It is a super-3 number, since 3×2105564656110³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430126 + ... + 5804945.

It is an arithmetic number, because the mean of its divisors is an integer number (157942642176).

Almost surely, 2^{2105564656110} is an apocalyptic number.

2105564656110 is an abundant number, since it is smaller than the sum of its proper divisors (2948599893522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105564656110 is a wasteful number, since it uses less digits than its factorization.

2105564656110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241328.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 2105564656110 in words is "two trillion, one hundred five billion, five hundred sixty-four million, six hundred fifty-six thousand, one hundred ten".