11550541 has 2 divisors, whose sum is σ = 11550542. Its totient is φ = 11550540.

The previous prime is 11550527. The next prime is 11550551. The reversal of 11550541 is 14505511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10956100 + 594441 = 3310^2 + 771^2 .

It is an emirp because it is prime and its reverse (14505511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11550541 - 2⁹ = 11550029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11550551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775270 + 5775271.

It is an arithmetic number, because the mean of its divisors is an integer number (5775271).

Almost surely, 2^11550541 is an apocalyptic number.

It is an amenable number.

11550541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550541 is an equidigital number, since it uses as much as digits as its factorization.

11550541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 11550541 is about 3398.6086859184. The cubic root of 11550541 is about 226.0480554087.

The spelling of 11550541 in words is "eleven million, five hundred fifty thousand, five hundred forty-one".