201061607205 has 32 divisors (see below), whose sum is σ = 340651785600. Its totient is φ = 100916221952.

The previous prime is 201061607191. The next prime is 201061607293. The reversal of 201061607205 is 502706160102.

It is a cyclic number.

It is not a de Polignac number, because 201061607205 - 2⁶ = 201061607141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3667486 + ... + 3721904.

It is an arithmetic number, because the mean of its divisors is an integer number (10645368300).

Almost surely, 2^201061607205 is an apocalyptic number.

It is an amenable number.

201061607205 is a deficient number, since it is larger than the sum of its proper divisors (139590178395).

201061607205 is a wasteful number, since it uses less digits than its factorization.

201061607205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68933.

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 201061607205 its reverse (502706160102), we get a palindrome (703767767307).

The spelling of 201061607205 in words is "two hundred one billion, sixty-one million, six hundred seven thousand, two hundred five".