2105534510044 has 12 divisors (see below), whose sum is σ = 4211069020144. Its totient is φ = 902371932864.

The previous prime is 2105534510017. The next prime is 2105534510063. The reversal of 2105534510044 is 4400154355012.

2105534510044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2105534509991 and 2105534510009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37598830509 + ... + 37598830564.

Almost surely, 2^{2105534510044} is an apocalyptic number.

It is an amenable number.

2105534510044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2105534510044 is a wasteful number, since it uses less digits than its factorization.

2105534510044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75197661084 (or 75197661082 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 2105534510044 its reverse (4400154355012), we get a palindrome (6505688865056).

The spelling of 2105534510044 in words is "two trillion, one hundred five billion, five hundred thirty-four million, five hundred ten thousand, forty-four".