2105543504 has 20 divisors (see below), whose sum is σ = 4174363776. Its totient is φ = 1028288352.

The previous prime is 2105543437. The next prime is 2105543507. The reversal of 2105543504 is 4053455012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105543507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529504 + ... + 1530879.

Almost surely, 2^2105543504 is an apocalyptic number.

It is an amenable number.

2105543504 is a deficient number, since it is larger than the sum of its proper divisors (2068820272).

2105543504 is a wasteful number, since it uses less digits than its factorization.

2105543504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060434 (or 3060428 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2105543504 is about 45886.2016732699. The cubic root of 2105543504 is about 1281.7049837809.

Adding to 2105543504 its reverse (4053455012), we get a palindrome (6158998516).

The spelling of 2105543504 in words is "two billion, one hundred five million, five hundred forty-three thousand, five hundred four".