11141131 has 4 divisors (see below), whose sum is σ = 11625552. Its totient is φ = 10656712.

The previous prime is 11141113. The next prime is 11141149. The reversal of 11141131 is 13114111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13114111 = 67 ⋅195733.

It is an interprime number because it is at equal distance from previous prime (11141113) and next prime (11141149).

It is a cyclic number.

It is not a de Polignac number, because 11141131 - 2⁷ = 11141003 is a prime.

It is a super-2 number, since 2×11141131² = 248249599918322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11141111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242176 + ... + 242221.

It is an arithmetic number, because the mean of its divisors is an integer number (2906388).

Almost surely, 2^11141131 is an apocalyptic number.

11141131 is a deficient number, since it is larger than the sum of its proper divisors (484421).

11141131 is an equidigital number, since it uses as much as digits as its factorization.

11141131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484420.

The product of its digits is 12, while the sum is 13.

The square root of 11141131 is about 3337.8332792397. The cubic root of 11141131 is about 223.3450990064.

Adding to 11141131 its reverse (13114111), we get a palindrome (24255242).

The spelling of 11141131 in words is "eleven million, one hundred forty-one thousand, one hundred thirty-one".