205233134411 has 16 divisors (see below), whose sum is σ = 215768340480. Its totient is φ = 194837607360.

The previous prime is 205233134387. The next prime is 205233134419. The reversal of 205233134411 is 114431332502.

It is not a de Polignac number, because 205233134411 - 2³⁰ = 204159392587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205233134419) 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, 1637255 + ... + 1758143.

It is an arithmetic number, because the mean of its divisors is an integer number (13485521280).

Almost surely, 2^205233134411 is an apocalyptic number.

205233134411 is a deficient number, since it is larger than the sum of its proper divisors (10535206069).

205233134411 is a wasteful number, since it uses less digits than its factorization.

205233134411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121466.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 205233134411 its reverse (114431332502), we get a palindrome (319664466913).

The spelling of 205233134411 in words is "two hundred five billion, two hundred thirty-three million, one hundred thirty-four thousand, four hundred eleven".