11384110081 has 4 divisors (see below), whose sum is σ = 11484854532. Its totient is φ = 11283365632.

The previous prime is 11384110079. The next prime is 11384110141. The reversal of 11384110081 is 18001148311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361000000 + 11023110081 = 19000^2 + 104991^2 .

It is a cyclic number.

It is not a de Polignac number, because 11384110081 - 2¹ = 11384110079 is a prime.

It is a super-2 number, since 2×11384110081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11384110481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50372056 + ... + 50372281.

It is an arithmetic number, because the mean of its divisors is an integer number (2871213633).

Almost surely, 2^11384110081 is an apocalyptic number.

It is an amenable number.

11384110081 is a deficient number, since it is larger than the sum of its proper divisors (100744451).

11384110081 is a wasteful number, since it uses less digits than its factorization.

11384110081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100744450.

The product of its (nonzero) digits is 768, while the sum is 28.

Adding to 11384110081 its reverse (18001148311), we get a palindrome (29385258392).

The spelling of 11384110081 in words is "eleven billion, three hundred eighty-four million, one hundred ten thousand, eighty-one".