11819141 has 4 divisors (see below), whose sum is σ = 11861484. Its totient is φ = 11776800.

The previous prime is 11819099. The next prime is 11819149. The reversal of 11819141 is 14191811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 1256641 = 3250^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 11819141 - 2⁶ = 11819077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11819141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11819149) 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, 20750 + ... + 21311.

It is an arithmetic number, because the mean of its divisors is an integer number (2965371).

Almost surely, 2^11819141 is an apocalyptic number.

It is an amenable number.

11819141 is a deficient number, since it is larger than the sum of its proper divisors (42343).

11819141 is an equidigital number, since it uses as much as digits as its factorization.

11819141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42342.

The product of its digits is 288, while the sum is 26.

The square root of 11819141 is about 3437.8977588055. The cubic root of 11819141 is about 227.7868442334.

The spelling of 11819141 in words is "eleven million, eight hundred nineteen thousand, one hundred forty-one".