2105533113455 has 32 divisors (see below), whose sum is σ = 2595542330880. Its totient is φ = 1639189664640.

The previous prime is 2105533113449. The next prime is 2105533113469. The reversal of 2105533113455 is 5543113355012.

It is not a de Polignac number, because 2105533113455 - 2¹⁸ = 2105532851311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12786545 + ... + 12950165.

It is an arithmetic number, because the mean of its divisors is an integer number (81110697840).

Almost surely, 2^{2105533113455} is an apocalyptic number.

2105533113455 is a deficient number, since it is larger than the sum of its proper divisors (490009217425).

2105533113455 is a wasteful number, since it uses less digits than its factorization.

2105533113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164159.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 2105533113455 its reverse (5543113355012), we get a palindrome (7648646468467).

The spelling of 2105533113455 in words is "two trillion, one hundred five billion, five hundred thirty-three million, one hundred thirteen thousand, four hundred fifty-five".