11381141 has 4 divisors (see below), whose sum is σ = 11388192. Its totient is φ = 11374092.

The previous prime is 11381119. The next prime is 11381147. The reversal of 11381141 is 14118311.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14118311 = 19 ⋅743069.

It is a cyclic number.

It is not a de Polignac number, because 11381141 - 2⁶ = 11381077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (2847048).

Almost surely, 2^11381141 is an apocalyptic number.

It is an amenable number.

11381141 is a deficient number, since it is larger than the sum of its proper divisors (7051).

11381141 is an equidigital number, since it uses as much as digits as its factorization.

11381141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050.

The product of its digits is 96, while the sum is 20.

The square root of 11381141 is about 3373.5946703776. The cubic root of 11381141 is about 224.9375365703.

Adding to 11381141 its reverse (14118311), we get a palindrome (25499452).

The spelling of 11381141 in words is "eleven million, three hundred eighty-one thousand, one hundred forty-one".