11141609 has 2 divisors, whose sum is σ = 11141610. Its totient is φ = 11141608.

The previous prime is 11141587. The next prime is 11141621. The reversal of 11141609 is 90614111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9784384 + 1357225 = 3128^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 11141609 - 2²⁰ = 10093033 is a prime.

It is a super-2 number, since 2×11141609² = 248270902217762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11141309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570804 + 5570805.

It is an arithmetic number, because the mean of its divisors is an integer number (5570805).

Almost surely, 2^11141609 is an apocalyptic number.

It is an amenable number.

11141609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141609 is an equidigital number, since it uses as much as digits as its factorization.

11141609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11141609 is about 3337.9048818083. The cubic root of 11141609 is about 223.3482930995.

The spelling of 11141609 in words is "eleven million, one hundred forty-one thousand, six hundred nine".