11705399136 has 36 divisors (see below), whose sum is σ = 33287229612. Its totient is φ = 3901799616.

The previous prime is 11705399093. The next prime is 11705399159. The reversal of 11705399136 is 63199350711.

It is a happy number.

11705399136 is a `hidden beast` number, since 11 + 70 + 539 + 9 + 1 + 36 = 666.

11705399136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 11705399091 and 11705399100.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20321586 + ... + 20322161.

It is an arithmetic number, because the mean of its divisors is an integer number (924645267).

Almost surely, 2^11705399136 is an apocalyptic number.

11705399136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11705399136 is an abundant number, since it is smaller than the sum of its proper divisors (21581830476).

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

11705399136 is a wasteful number, since it uses less digits than its factorization.

11705399136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40643763 (or 40643752 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The spelling of 11705399136 in words is "eleven billion, seven hundred five million, three hundred ninety-nine thousand, one hundred thirty-six".