205316413256211 has 16 divisors (see below), whose sum is σ = 288185561980416. Its totient is φ = 129767767665536.

The previous prime is 205316413256197. The next prime is 205316413256233. The reversal of 205316413256211 is 112652314613502.

It is a cyclic number.

It is not a de Polignac number, because 205316413256211 - 2²³ = 205316404867603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205316413256261) 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, 13166364735 + ... + 13166380328.

It is an arithmetic number, because the mean of its divisors is an integer number (18011597623776).

Almost surely, 2^{205316413256211} is an apocalyptic number.

205316413256211 is a deficient number, since it is larger than the sum of its proper divisors (82869148724205).

205316413256211 is a wasteful number, since it uses less digits than its factorization.

205316413256211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26332745202.

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 205316413256211 its reverse (112652314613502), we get a palindrome (317968727869713).

The spelling of 205316413256211 in words is "two hundred five trillion, three hundred sixteen billion, four hundred thirteen million, two hundred fifty-six thousand, two hundred eleven".