111563320636 has 6 divisors (see below), whose sum is σ = 195235811120. Its totient is φ = 55781660316.

The previous prime is 111563320621. The next prime is 111563320639. The reversal of 111563320636 is 636023365111.

It is a happy number.

It is a super-2 number, since 2×111563320636² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111563320595 and 111563320604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111563320639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13945415076 + ... + 13945415083.

Almost surely, 2^111563320636 is an apocalyptic number.

It is an amenable number.

111563320636 is a deficient number, since it is larger than the sum of its proper divisors (83672490484).

111563320636 is a wasteful number, since it uses less digits than its factorization.

111563320636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27890830163 (or 27890830161 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 111563320636 its reverse (636023365111), we get a palindrome (747586685747).

The spelling of 111563320636 in words is "one hundred eleven billion, five hundred sixty-three million, three hundred twenty thousand, six hundred thirty-six".