11581341 has 8 divisors (see below), whose sum is σ = 15553440. Its totient is φ = 7665072.

The previous prime is 11581337. The next prime is 11581357. The reversal of 11581341 is 14318511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11581341 - 2² = 11581337 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11581331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13470 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (1944180).

Almost surely, 2^11581341 is an apocalyptic number.

It is an amenable number.

11581341 is a deficient number, since it is larger than the sum of its proper divisors (3972099).

11581341 is a wasteful number, since it uses less digits than its factorization.

11581341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27915.

The product of its digits is 480, while the sum is 24.

The square root of 11581341 is about 3403.1369352408. The cubic root of 11581341 is about 226.2487992773.

Adding to 11581341 its reverse (14318511), we get a palindrome (25899852).

The spelling of 11581341 in words is "eleven million, five hundred eighty-one thousand, three hundred forty-one".