11413441121 has 4 divisors (see below), whose sum is σ = 11518151700. Its totient is φ = 11308730544.

The previous prime is 11413441069. The next prime is 11413441129. The reversal of 11413441121 is 12114431411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12114431411 = 8641 ⋅1401971.

It can be written as a sum of positive squares in 2 ways, for example, as 8088304225 + 3325136896 = 89935^2 + 57664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11413441121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11413441129) 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, 52355126 + ... + 52355343.

It is an arithmetic number, because the mean of its divisors is an integer number (2879537925).

Almost surely, 2^11413441121 is an apocalyptic number.

It is an amenable number.

11413441121 is a deficient number, since it is larger than the sum of its proper divisors (104710579).

11413441121 is a wasteful number, since it uses less digits than its factorization.

11413441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104710578.

The product of its digits is 384, while the sum is 23.

Adding to 11413441121 its reverse (12114431411), we get a palindrome (23527872532).

The spelling of 11413441121 in words is "eleven billion, four hundred thirteen million, four hundred forty-one thousand, one hundred twenty-one".