11444040121 has 8 divisors (see below), whose sum is σ = 11528027784. Its totient is φ = 11360280960.

The previous prime is 11444040077. The next prime is 11444040137. The reversal of 11444040121 is 12104044411.

11444040121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8732025 + 11435308096 = 2955^2 + 106936^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11444040121 - 2²¹ = 11441942969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11444040092 and 11444040101.

It is not an unprimeable number, because it can be changed into a prime (11444040151) 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, 44061 + ... + 157573.

It is an arithmetic number, because the mean of its divisors is an integer number (1441003473).

Almost surely, 2^11444040121 is an apocalyptic number.

It is an amenable number.

11444040121 is a deficient number, since it is larger than the sum of its proper divisors (83987663).

11444040121 is a wasteful number, since it uses less digits than its factorization.

11444040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114251.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11444040121 its reverse (12104044411), we get a palindrome (23548084532).

The spelling of 11444040121 in words is "eleven billion, four hundred forty-four million, forty thousand, one hundred twenty-one".