201522550255 has 16 divisors (see below), whose sum is σ = 264843200160. Its totient is φ = 146294333568.

The previous prime is 201522550249. The next prime is 201522550261. The reversal of 201522550255 is 552055225102.

It is an interprime number because it is at equal distance from previous prime (201522550249) and next prime (201522550261).

It is a cyclic number.

It is not a de Polignac number, because 201522550255 - 2⁵ = 201522550223 is a prime.

It is a super-2 number, since 2×201522550255² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201522550255.

It is a congruent number.

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, 26270292 + ... + 26277961.

It is an arithmetic number, because the mean of its divisors is an integer number (16552700010).

Almost surely, 2^201522550255 is an apocalyptic number.

201522550255 is a deficient number, since it is larger than the sum of its proper divisors (63320649905).

201522550255 is a wasteful number, since it uses less digits than its factorization.

201522550255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52548330.

The product of its (nonzero) digits is 50000, while the sum is 34.

Adding to 201522550255 its reverse (552055225102), we get a palindrome (753577775357).

The spelling of 201522550255 in words is "two hundred one billion, five hundred twenty-two million, five hundred fifty thousand, two hundred fifty-five".