11440120241 has 4 divisors (see below), whose sum is σ = 12480131184. Its totient is φ = 10400109300.

The previous prime is 11440120231. The next prime is 11440120261. The reversal of 11440120241 is 14202104411.

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 11440120241 - 2²² = 11435925937 is a prime.

It is a super-2 number, since 2×11440120241² (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 (11440120231) 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, 520005455 + ... + 520005476.

It is an arithmetic number, because the mean of its divisors is an integer number (3120032796).

Almost surely, 2^11440120241 is an apocalyptic number.

11440120241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11440120241 is a deficient number, since it is larger than the sum of its proper divisors (1040010943).

11440120241 is a wasteful number, since it uses less digits than its factorization.

11440120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040010942.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11440120241 its reverse (14202104411), we get a palindrome (25642224652).

The spelling of 11440120241 in words is "eleven billion, four hundred forty million, one hundred twenty thousand, two hundred forty-one".