211732530347564 has 12 divisors (see below), whose sum is σ = 374351844893544. Its totient is φ = 104774860377984.

The previous prime is 211732530347563. The next prime is 211732530347633. The reversal of 211732530347564 is 465743035237112.

It is a super-2 number, since 2×211732530347564² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211732530347563) 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 3 ways as a sum of consecutive naturals, for example, 272851198514 + ... + 272851199289.

It is an arithmetic number, because the mean of its divisors is an integer number (31195987074462).

Almost surely, 2^{211732530347564} is an apocalyptic number.

It is an amenable number.

211732530347564 is a deficient number, since it is larger than the sum of its proper divisors (162619314545980).

211732530347564 is a wasteful number, since it uses less digits than its factorization.

211732530347564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545702397904 (or 545702397902 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 211732530347564 in words is "two hundred eleven trillion, seven hundred thirty-two billion, five hundred thirty million, three hundred forty-seven thousand, five hundred sixty-four".