2105535451 has 16 divisors (see below), whose sum is σ = 2162603520. Its totient is φ = 2049455520.

The previous prime is 2105535433. The next prime is 2105535457. The reversal of 2105535451 is 1545355012.

It is a cyclic number.

It is not a de Polignac number, because 2105535451 - 2¹⁹ = 2105011163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105535457) 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, 1908366 + ... + 1909468.

It is an arithmetic number, because the mean of its divisors is an integer number (135162720).

Almost surely, 2^2105535451 is an apocalyptic number.

2105535451 is a deficient number, since it is larger than the sum of its proper divisors (57068069).

2105535451 is a wasteful number, since it uses less digits than its factorization.

2105535451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2105535451 is about 45886.1139234954. The cubic root of 2105535451 is about 1281.7033497478.

The spelling of 2105535451 in words is "two billion, one hundred five million, five hundred thirty-five thousand, four hundred fifty-one".