11018910841 has 3 divisors (see below), whose sum is σ = 11019015813. Its totient is φ = 11018805870.

The previous prime is 11018910839. The next prime is 11018910853. The reversal of 11018910841 is 14801981011.

It is a happy number.

The square root of 11018910841 is 104971.

It is a perfect power (a square), and thus also a powerful number.

11018910841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14801981011 = 8923 ⋅1658857.

It is not a de Polignac number, because 11018910841 - 2¹ = 11018910839 is a prime.

It is a super-2 number, since 2×11018910841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11018910797 and 11018910806.

It is not an unprimeable number, because it can be changed into a prime (11018910641) 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 2 ways as a sum of consecutive naturals, for example, 52486 + ... + 157456.

It is an arithmetic number, because the mean of its divisors is an integer number (3673005271).

Almost surely, 2^11018910841 is an apocalyptic number.

11018910841 is the 104971-st square number.

11018910841 is the 52486-th centered octagonal number.

It is an amenable number.

11018910841 is a deficient number, since it is larger than the sum of its proper divisors (104972).

11018910841 is an frugal number, since it uses more digits than its factorization.

11018910841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209942 (or 104971 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

Multiplying 11018910841 by its product of nonzero digits (2304), we get a square (25387570577664 = 5038608²).

The spelling of 11018910841 in words is "eleven billion, eighteen million, nine hundred ten thousand, eight hundred forty-one".