2105544052032 has 112 divisors (see below), whose sum is σ = 5752698834432. Its totient is φ = 678962903040.

The previous prime is 2105544051997. The next prime is 2105544052033. The reversal of 2105544052032 is 2302504455012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2105544051984 and 2105544052002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105544052033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16823478 + ... + 16948170.

Almost surely, 2^{2105544052032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105544052032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2876349417216).

2105544052032 is an abundant number, since it is smaller than the sum of its proper divisors (3647154782400).

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

2105544052032 is a wasteful number, since it uses less digits than its factorization.

2105544052032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127576 (or 127566 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 2105544052032 in words is "two trillion, one hundred five billion, five hundred forty-four million, fifty-two thousand, thirty-two".