201881050215 has 32 divisors (see below), whose sum is σ = 368318736576. Its totient is φ = 93541263360.

The previous prime is 201881050213. The next prime is 201881050229. The reversal of 201881050215 is 512050188102.

It is not a de Polignac number, because 201881050215 - 2¹ = 201881050213 is a prime.

It is a super-2 number, since 2×201881050215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201881050213) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30446316 + ... + 30452945.

It is an arithmetic number, because the mean of its divisors is an integer number (11509960518).

Almost surely, 2^201881050215 is an apocalyptic number.

201881050215 is a deficient number, since it is larger than the sum of its proper divisors (166437686361).

201881050215 is a wasteful number, since it uses less digits than its factorization.

201881050215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60899299.

The product of its (nonzero) digits is 6400, while the sum is 33.

The spelling of 201881050215 in words is "two hundred one billion, eight hundred eighty-one million, fifty thousand, two hundred fifteen".