2105775478053 has 24 divisors (see below), whose sum is σ = 3276975759512. Its totient is φ = 1295337650688.

The previous prime is 2105775478013. The next prime is 2105775478063. The reversal of 2105775478053 is 3508745775012.

2105775478053 is a `hidden beast` number, since 2 + 1 + 0 + 57 + 75 + 478 + 0 + 53 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7269779169 + 2098505698884 = 85263^2 + 1448622^2 .

It is not a de Polignac number, because 2105775478053 - 2⁸ = 2105775477797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105775478013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3349576 + ... + 3928257.

Almost surely, 2^{2105775478053} is an apocalyptic number.

It is an amenable number.

2105775478053 is a deficient number, since it is larger than the sum of its proper divisors (1171200281459).

2105775478053 is a wasteful number, since it uses less digits than its factorization.

2105775478053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280325 (or 7280322 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 54.

The spelling of 2105775478053 in words is "two trillion, one hundred five billion, seven hundred seventy-five million, four hundred seventy-eight thousand, fifty-three".