205475105211130 has 32 divisors (see below), whose sum is σ = 369953107058304. Its totient is φ = 82168283964096.

The previous prime is 205475105211127. The next prime is 205475105211149. The reversal of 205475105211130 is 31112501574502.

It is a self number, because there is not a number n which added to its sum of digits gives 205475105211130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583399629 + ... + 1583529391.

It is an arithmetic number, because the mean of its divisors is an integer number (11561034595572).

Almost surely, 2^{205475105211130} is an apocalyptic number.

205475105211130 is a deficient number, since it is larger than the sum of its proper divisors (164478001847174).

205475105211130 is a wasteful number, since it uses less digits than its factorization.

205475105211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170470.

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 205475105211130 its reverse (31112501574502), we get a palindrome (236587606785632).

The spelling of 205475105211130 in words is "two hundred five trillion, four hundred seventy-five billion, one hundred five million, two hundred eleven thousand, one hundred thirty".