211113430356 has 24 divisors (see below), whose sum is σ = 505911464800. Its totient is φ = 68469220512.

The previous prime is 211113430351. The next prime is 211113430397. The reversal of 211113430356 is 653034311112.

211113430356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211113430351) 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 7 ways as a sum of consecutive naturals, for example, 237739906 + ... + 237740793.

Almost surely, 2^211113430356 is an apocalyptic number.

It is an amenable number.

211113430356 is an abundant number, since it is smaller than the sum of its proper divisors (294798034444).

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

211113430356 is a wasteful number, since it uses less digits than its factorization.

211113430356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475480743 (or 475480741 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 211113430356 its reverse (653034311112), we get a palindrome (864147741468).

The spelling of 211113430356 in words is "two hundred eleven billion, one hundred thirteen million, four hundred thirty thousand, three hundred fifty-six".