201105287105 has 16 divisors (see below), whose sum is σ = 265072417920. Its totient is φ = 145789826688.

The previous prime is 201105287093. The next prime is 201105287129. The reversal of 201105287105 is 501782501102.

It is a cyclic number.

It is not a de Polignac number, because 201105287105 - 2⁸ = 201105286849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46017332 + ... + 46021701.

It is an arithmetic number, because the mean of its divisors is an integer number (16567026120).

Almost surely, 2^201105287105 is an apocalyptic number.

It is an amenable number.

201105287105 is a deficient number, since it is larger than the sum of its proper divisors (63967130815).

201105287105 is a wasteful number, since it uses less digits than its factorization.

201105287105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92039080.

The product of its (nonzero) digits is 5600, while the sum is 32.

Adding to 201105287105 its reverse (501782501102), we get a palindrome (702887788207).

The spelling of 201105287105 in words is "two hundred one billion, one hundred five million, two hundred eighty-seven thousand, one hundred five".