205602151411 has 16 divisors (see below), whose sum is σ = 219378088800. Its totient is φ = 192318029568.

The previous prime is 205602151399. The next prime is 205602151421. The reversal of 205602151411 is 114151206502.

It is not a de Polignac number, because 205602151411 - 2¹⁷ = 205602020339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205602151411.

It is not an unprimeable number, because it can be changed into a prime (205602151421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161181 + ... + 661198.

It is an arithmetic number, because the mean of its divisors is an integer number (13711130550).

Almost surely, 2^205602151411 is an apocalyptic number.

205602151411 is a deficient number, since it is larger than the sum of its proper divisors (13775937389).

205602151411 is a wasteful number, since it uses less digits than its factorization.

205602151411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822678.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 205602151411 its reverse (114151206502), we get a palindrome (319753357913).

The spelling of 205602151411 in words is "two hundred five billion, six hundred two million, one hundred fifty-one thousand, four hundred eleven".