11361785436 has 30 divisors (see below), whose sum is σ = 29701952280. Its totient is φ = 3787261704.

The previous prime is 11361785431. The next prime is 11361785443. The reversal of 11361785436 is 63458716311.

11361785436 is a `hidden beast` number, since 1 + 1 + 36 + 1 + 78 + 543 + 6 = 666.

11361785436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11361785391 and 11361785400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361785431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17533296 + ... + 17533943.

It is an arithmetic number, because the mean of its divisors is an integer number (990065076).

Almost surely, 2^11361785436 is an apocalyptic number.

It is an amenable number.

11361785436 is an abundant number, since it is smaller than the sum of its proper divisors (18340166844).

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

11361785436 is a wasteful number, since it uses less digits than its factorization.

11361785436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35067255 (or 35067244 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 11361785436 in words is "eleven billion, three hundred sixty-one million, seven hundred eighty-five thousand, four hundred thirty-six".