11181793536 has 81 divisors (see below), whose sum is σ = 32254508559. Its totient is φ = 3725572608.

The previous prime is 11181793489. The next prime is 11181793541. The reversal of 11181793536 is 63539718111.

The square root of 11181793536 is 105744.

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

11181793536 is a `hidden beast` number, since 1 + 1 + 18 + 17 + 93 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11181793491 and 11181793500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5074611 + ... + 5076813.

Almost surely, 2^11181793536 is an apocalyptic number.

11181793536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11181793536 is the 105744-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11181793536

11181793536 is an abundant number, since it is smaller than the sum of its proper divisors (21072715023).

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

11181793536 is an frugal number, since it uses more digits than its factorization.

11181793536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 2208 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The spelling of 11181793536 in words is "eleven billion, one hundred eighty-one million, seven hundred ninety-three thousand, five hundred thirty-six".