11141605 has 4 divisors (see below), whose sum is σ = 13369932. Its totient is φ = 8913280.

The previous prime is 11141587. The next prime is 11141609. The reversal of 11141605 is 50614111.

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 6806881 + 4334724 = 2609^2 + 2082^2 .

It is not a de Polignac number, because 11141605 - 2⁵ = 11141573 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 (11141609) 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, 1114156 + ... + 1114165.

It is an arithmetic number, because the mean of its divisors is an integer number (3342483).

Almost surely, 2^11141605 is an apocalyptic number.

It is an amenable number.

11141605 is a deficient number, since it is larger than the sum of its proper divisors (2228327).

11141605 is an equidigital number, since it uses as much as digits as its factorization.

11141605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228326.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11141605 is about 3337.9042826300. The cubic root of 11141605 is about 223.3482663711.

Adding to 11141605 its reverse (50614111), we get a palindrome (61755716).

The spelling of 11141605 in words is "eleven million, one hundred forty-one thousand, six hundred five".