211240344152 has 32 divisors (see below), whose sum is σ = 396924105600. Its totient is φ = 105394063104.

The previous prime is 211240344151. The next prime is 211240344173. The reversal of 211240344152 is 251443042112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211240344151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14408858 + ... + 14423510.

It is an arithmetic number, because the mean of its divisors is an integer number (12403878300).

Almost surely, 2^211240344152 is an apocalyptic number.

It is an amenable number.

211240344152 is a deficient number, since it is larger than the sum of its proper divisors (185683761448).

211240344152 is a wasteful number, since it uses less digits than its factorization.

211240344152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18395 (or 18391 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 211240344152 its reverse (251443042112), we get a palindrome (462683386264).

The spelling of 211240344152 in words is "two hundred eleven billion, two hundred forty million, three hundred forty-four thousand, one hundred fifty-two".