11044555549 has 2 divisors, whose sum is σ = 11044555550. Its totient is φ = 11044555548.

The previous prime is 11044555519. The next prime is 11044555603. The reversal of 11044555549 is 94555544011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11044538649 + 16900 = 105093^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 11044555549 - 2⁵ = 11044555517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11044555519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522277774 + 5522277775.

It is an arithmetic number, because the mean of its divisors is an integer number (5522277775).

Almost surely, 2^11044555549 is an apocalyptic number.

It is an amenable number.

11044555549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11044555549 is an equidigital number, since it uses as much as digits as its factorization.

11044555549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 11044555549 in words is "eleven billion, forty-four million, five hundred fifty-five thousand, five hundred forty-nine".