11440541121 has 4 divisors (see below), whose sum is σ = 15254054832. Its totient is φ = 7627027412.

The previous prime is 11440541107. The next prime is 11440541191. The reversal of 11440541121 is 12114504411.

It is a happy number.

11440541121 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11440541121 - 2¹¹ = 11440539073 is a prime.

It is a super-2 number, since 2×11440541121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11440541091 and 11440541100.

It is not an unprimeable number, because it can be changed into a prime (11440541191) 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 3 ways as a sum of consecutive naturals, for example, 1906756851 + ... + 1906756856.

It is an arithmetic number, because the mean of its divisors is an integer number (3813513708).

Almost surely, 2^11440541121 is an apocalyptic number.

It is an amenable number.

11440541121 is a deficient number, since it is larger than the sum of its proper divisors (3813513711).

11440541121 is an equidigital number, since it uses as much as digits as its factorization.

11440541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813513710.

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 11440541121 in words is "eleven billion, four hundred forty million, five hundred forty-one thousand, one hundred twenty-one".