201011255 has 8 divisors (see below), whose sum is σ = 241662624. Its totient is φ = 160509600.

The previous prime is 201011249. The next prime is 201011273. The reversal of 201011255 is 552110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201011255 - 2¹⁸ = 200749111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34451 + ... + 39860.

It is an arithmetic number, because the mean of its divisors is an integer number (30207828).

Almost surely, 2^201011255 is an apocalyptic number.

201011255 is a deficient number, since it is larger than the sum of its proper divisors (40651369).

201011255 is an equidigital number, since it uses as much as digits as its factorization.

201011255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74857.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 201011255 is about 14177.8438064467. The cubic root of 201011255 is about 585.7875335861.

Adding to 201011255 its reverse (552110102), we get a palindrome (753121357).

The spelling of 201011255 in words is "two hundred one million, eleven thousand, two hundred fifty-five".