11043551 has 2 divisors, whose sum is σ = 11043552. Its totient is φ = 11043550.

The previous prime is 11043517. The next prime is 11043559. The reversal of 11043551 is 15534011.

11043551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15534011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11043551 - 2²² = 6849247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11043559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521775 + 5521776.

It is an arithmetic number, because the mean of its divisors is an integer number (5521776).

Almost surely, 2^11043551 is an apocalyptic number.

11043551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043551 is an equidigital number, since it uses as much as digits as its factorization.

11043551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11043551 is about 3323.1838649103. The cubic root of 11043551 is about 222.6911272784.

Adding to 11043551 its reverse (15534011), we get a palindrome (26577562).

The spelling of 11043551 in words is "eleven million, forty-three thousand, five hundred fifty-one".