11141811 has 12 divisors (see below), whose sum is σ = 16177200. Its totient is φ = 7389360.

The previous prime is 11141797. The next prime is 11141831. The reversal of 11141811 is 11814111.

It is a happy number.

11141811 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 11141811 - 2⁶ = 11141747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11141831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1320 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (1348100).

Almost surely, 2^11141811 is an apocalyptic number.

11141811 is a deficient number, since it is larger than the sum of its proper divisors (5035389).

11141811 is a wasteful number, since it uses less digits than its factorization.

11141811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426 (or 6423 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

The square root of 11141811 is about 3337.9351401727. The cubic root of 11141811 is about 223.3496428771.

Adding to 11141811 its reverse (11814111), we get a palindrome (22955922).

The spelling of 11141811 in words is "eleven million, one hundred forty-one thousand, eight hundred eleven".