11156843241 has 12 divisors (see below), whose sum is σ = 16266053232. Its totient is φ = 7368381816.

The previous prime is 11156843171. The next prime is 11156843251. The reversal of 11156843241 is 14234865111.

11156843241 is a `hidden beast` number, since 1 + 11 + 568 + 43 + 2 + 41 = 666.

It is not a de Polignac number, because 11156843241 - 2¹⁰ = 11156842217 is a prime.

It is a super-2 number, since 2×11156843241² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11156843196 and 11156843205.

It is not an unprimeable number, because it can be changed into a prime (11156843251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5791791 + ... + 5793716.

It is an arithmetic number, because the mean of its divisors is an integer number (1355504436).

Almost surely, 2^11156843241 is an apocalyptic number.

It is an amenable number.

11156843241 is a deficient number, since it is larger than the sum of its proper divisors (5109209991).

11156843241 is a wasteful number, since it uses less digits than its factorization.

11156843241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11585620 (or 11585617 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 11156843241 in words is "eleven billion, one hundred fifty-six million, eight hundred forty-three thousand, two hundred forty-one".