11550442163 has 8 divisors (see below), whose sum is σ = 12673635408. Its totient is φ = 10460777184.

The previous prime is 11550442147. The next prime is 11550442187. The reversal of 11550442163 is 36124405511.

11550442163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11550442163 - 2⁴ = 11550442147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11550442963) 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 7 ways as a sum of consecutive naturals, for example, 8381345 + ... + 8382722.

It is an arithmetic number, because the mean of its divisors is an integer number (1584204426).

Almost surely, 2^11550442163 is an apocalyptic number.

11550442163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11550442163 is a deficient number, since it is larger than the sum of its proper divisors (1123193245).

11550442163 is a wasteful number, since it uses less digits than its factorization.

11550442163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16764133.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 11550442163 its reverse (36124405511), we get a palindrome (47674847674).

The spelling of 11550442163 in words is "eleven billion, five hundred fifty million, four hundred forty-two thousand, one hundred sixty-three".