11212324663 has 4 divisors (see below), whose sum is σ = 11321182288. Its totient is φ = 11103467040.

The previous prime is 11212324639. The next prime is 11212324681. The reversal of 11212324663 is 36642321211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36642321211 = 2803 ⋅13072537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212324663 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 (11212324603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54428658 + ... + 54428863.

It is an arithmetic number, because the mean of its divisors is an integer number (2830295572).

Almost surely, 2^11212324663 is an apocalyptic number.

11212324663 is a deficient number, since it is larger than the sum of its proper divisors (108857625).

11212324663 is a wasteful number, since it uses less digits than its factorization.

11212324663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108857624.

The product of its digits is 10368, while the sum is 31.

Adding to 11212324663 its reverse (36642321211), we get a palindrome (47854645874).

The spelling of 11212324663 in words is "eleven billion, two hundred twelve million, three hundred twenty-four thousand, six hundred sixty-three".