211112506663 has 8 divisors (see below), whose sum is σ = 211388256000. Its totient is φ = 210836863488.

The previous prime is 211112506643. The next prime is 211112506723. The reversal of 211112506663 is 366605211112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211112506663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112506613) 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, 4434595 + ... + 4481947.

It is an arithmetic number, because the mean of its divisors is an integer number (26423532000).

Almost surely, 2^211112506663 is an apocalyptic number.

211112506663 is a deficient number, since it is larger than the sum of its proper divisors (275749337).

211112506663 is an equidigital number, since it uses as much as digits as its factorization.

211112506663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53081.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 211112506663 its reverse (366605211112), we get a palindrome (577717717775).

The spelling of 211112506663 in words is "two hundred eleven billion, one hundred twelve million, five hundred six thousand, six hundred sixty-three".