11043055549 has 2 divisors, whose sum is σ = 11043055550. Its totient is φ = 11043055548.

The previous prime is 11043055477. The next prime is 11043055559. The reversal of 11043055549 is 94555034011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11005478649 + 37576900 = 104907^2 + 6130^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043055549 - 2⁷ = 11043055421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11043055559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521527774 + 5521527775.

It is an arithmetic number, because the mean of its divisors is an integer number (5521527775).

Almost surely, 2^11043055549 is an apocalyptic number.

It is an amenable number.

11043055549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043055549 is an equidigital number, since it uses as much as digits as its factorization.

11043055549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 11043055549 in words is "eleven billion, forty-three million, fifty-five thousand, five hundred forty-nine".