11641541 has 2 divisors, whose sum is σ = 11641542. Its totient is φ = 11641540.

The previous prime is 11641517. The next prime is 11641559. The reversal of 11641541 is 14514611.

It is a happy number.

11641541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8579041 + 3062500 = 2929^2 + 1750^2 .

It is an emirp because it is prime and its reverse (14514611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11641541 - 2¹⁴ = 11625157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11641501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820770 + 5820771.

It is an arithmetic number, because the mean of its divisors is an integer number (5820771).

Almost surely, 2^11641541 is an apocalyptic number.

It is an amenable number.

11641541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11641541 is an equidigital number, since it uses as much as digits as its factorization.

11641541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 11641541 is about 3411.9702519219. The cubic root of 11641541 is about 226.6401369854.

The spelling of 11641541 in words is "eleven million, six hundred forty-one thousand, five hundred forty-one".