201055215 has 8 divisors (see below), whose sum is σ = 321688368. Its totient is φ = 107229440.

The previous prime is 201055201. The next prime is 201055223. The reversal of 201055215 is 512550102.

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

It is not a de Polignac number, because 201055215 - 2⁴ = 201055199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201055191 and 201055200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701826 + ... + 6701855.

It is an arithmetic number, because the mean of its divisors is an integer number (40211046).

Almost surely, 2^201055215 is an apocalyptic number.

201055215 is a deficient number, since it is larger than the sum of its proper divisors (120633153).

201055215 is a wasteful number, since it uses less digits than its factorization.

201055215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403689.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 201055215 is about 14179.3940279548. The cubic root of 201055215 is about 585.8302332565.

The spelling of 201055215 in words is "two hundred one million, fifty-five thousand, two hundred fifteen".