2105544052044 has 36 divisors (see below), whose sum is σ = 5323760695344. Its totient is φ = 701661657312.

The previous prime is 2105544052043. The next prime is 2105544052123. The reversal of 2105544052044 is 4402504455012.

2105544052044 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 5 + 440 + 5 + 204 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2105544052043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7627507 + ... + 7898730.

Almost surely, 2^{2105544052044} is an apocalyptic number.

It is an amenable number.

2105544052044 is an abundant number, since it is smaller than the sum of its proper divisors (3218216643300).

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

2105544052044 is a wasteful number, since it uses less digits than its factorization.

2105544052044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15530014 (or 15530009 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 2105544052044 in words is "two trillion, one hundred five billion, five hundred forty-four million, fifty-two thousand, forty-four".