211325271813 has 40 divisors (see below), whose sum is σ = 339368641920. Its totient is φ = 130628790720.

The previous prime is 211325271811. The next prime is 211325271823. The reversal of 211325271813 is 318172523112.

211325271813 is a `hidden beast` number, since 2 + 113 + 2 + 527 + 1 + 8 + 13 = 666.

It is not a de Polignac number, because 211325271813 - 2¹ = 211325271811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211325271811) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1388448 + ... + 1533113.

It is an arithmetic number, because the mean of its divisors is an integer number (8484216048).

Almost surely, 2^211325271813 is an apocalyptic number.

It is an amenable number.

211325271813 is a deficient number, since it is larger than the sum of its proper divisors (128043370107).

211325271813 is a wasteful number, since it uses less digits than its factorization.

211325271813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921639 (or 2921630 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 211325271813 its reverse (318172523112), we get a palindrome (529497794925).

The spelling of 211325271813 in words is "two hundred eleven billion, three hundred twenty-five million, two hundred seventy-one thousand, eight hundred thirteen".