11730189636 has 135 divisors (see below), whose sum is σ = 33767925807. Its totient is φ = 3548104560.

The previous prime is 11730189629. The next prime is 11730189637. The reversal of 11730189636 is 63698103711.

The square root of 11730189636 is 108306.

It is a perfect power (a square), and thus also a powerful number.

11730189636 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 0 + 1 + 8 + 9 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11730189591 and 11730189600.

It is not an unprimeable number, because it can be changed into a prime (11730189637) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 21444315 + ... + 21444861.

Almost surely, 2^11730189636 is an apocalyptic number.

11730189636 is the 108306-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11730189636

11730189636 is an abundant number, since it is smaller than the sum of its proper divisors (22037736171).

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

11730189636 is an equidigital number, since it uses as much as digits as its factorization.

11730189636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 11730189636 in words is "eleven billion, seven hundred thirty million, one hundred eighty-nine thousand, six hundred thirty-six".