211149543712 has 48 divisors (see below), whose sum is σ = 433833079680. Its totient is φ = 100970952192.

The previous prime is 211149543707. The next prime is 211149543713. The reversal of 211149543712 is 217345941112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211149543713) 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 7 ways as a sum of consecutive naturals, for example, 7352293 + ... + 7380955.

It is an arithmetic number, because the mean of its divisors is an integer number (9038189160).

Almost surely, 2^211149543712 is an apocalyptic number.

It is an amenable number.

211149543712 is an abundant number, since it is smaller than the sum of its proper divisors (222683535968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211149543712 is a wasteful number, since it uses less digits than its factorization.

211149543712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38705 (or 38697 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The spelling of 211149543712 in words is "two hundred eleven billion, one hundred forty-nine million, five hundred forty-three thousand, seven hundred twelve".