11163171756 has 48 divisors (see below), whose sum is σ = 28680946560. Its totient is φ = 3351160320.

The previous prime is 11163171751. The next prime is 11163171763. The reversal of 11163171756 is 65717136111.

11163171756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11163171756² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11163171751) 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 15 ways as a sum of consecutive naturals, for example, 381061 + ... + 409308.

It is an arithmetic number, because the mean of its divisors is an integer number (597519720).

Almost surely, 2^11163171756 is an apocalyptic number.

It is an amenable number.

11163171756 is an abundant number, since it is smaller than the sum of its proper divisors (17517774804).

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

11163171756 is a wasteful number, since it uses less digits than its factorization.

11163171756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790494 (or 790492 counting only the distinct ones).

The product of its digits is 26460, while the sum is 39.

The spelling of 11163171756 in words is "eleven billion, one hundred sixty-three million, one hundred seventy-one thousand, seven hundred fifty-six".