201048911 has 12 divisors (see below), whose sum is σ = 244042992. Its totient is φ = 164834208.

The previous prime is 201048907. The next prime is 201048929. The reversal of 201048911 is 119840102.

It is not a de Polignac number, because 201048911 - 2² = 201048907 is a prime.

It is a super-2 number, since 2×201048911² = 80841329228571842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201048901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88070 + ... + 90323.

It is an arithmetic number, because the mean of its divisors is an integer number (20336916).

Almost surely, 2^201048911 is an apocalyptic number.

201048911 is a deficient number, since it is larger than the sum of its proper divisors (42994081).

201048911 is a wasteful number, since it uses less digits than its factorization.

201048911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178430 (or 178423 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 201048911 is about 14179.1717318044. The cubic root of 201048911 is about 585.8241103739.

The spelling of 201048911 in words is "two hundred one million, forty-eight thousand, nine hundred eleven".