11223061636 has 12 divisors (see below), whose sum is σ = 19711263628. Its totient is φ = 5591272032.

The previous prime is 11223061613. The next prime is 11223061679. The reversal of 11223061636 is 63616032211.

It can be written as a sum of positive squares in 2 ways, for example, as 1393528900 + 9829532736 = 37330^2 + 99144^2 .

It is a super-2 number, since 2×11223061636² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11223061598 and 11223061607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063451 + ... + 5065666.

Almost surely, 2^11223061636 is an apocalyptic number.

It is an amenable number.

11223061636 is a deficient number, since it is larger than the sum of its proper divisors (8488201992).

11223061636 is a wasteful number, since it uses less digits than its factorization.

11223061636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129398 (or 10129396 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 11223061636 its reverse (63616032211), we get a palindrome (74839093847).

The spelling of 11223061636 in words is "eleven billion, two hundred twenty-three million, sixty-one thousand, six hundred thirty-six".