11163928543956 has 36 divisors (see below), whose sum is σ = 29705189987200. Its totient is φ = 3525451118928.

The previous prime is 11163928543909. The next prime is 11163928543981. The reversal of 11163928543956 is 65934582936111.

11163928543956 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 39 + 2 + 8 + 543 + 9 + 56 = 666.

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 = 11163928543893 and 11163928543902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8160765796 + ... + 8160767163.

Almost surely, 2^{11163928543956} is an apocalyptic number.

It is an amenable number.

11163928543956 is an abundant number, since it is smaller than the sum of its proper divisors (18541261443244).

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

11163928543956 is a wasteful number, since it uses less digits than its factorization.

11163928543956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16321532988 (or 16321532983 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 11163928543956 in words is "eleven trillion, one hundred sixty-three billion, nine hundred twenty-eight million, five hundred forty-three thousand, nine hundred fifty-six".