11055534109 has 2 divisors, whose sum is σ = 11055534110. Its totient is φ = 11055534108.

The previous prime is 11055534097. The next prime is 11055534167. The reversal of 11055534109 is 90143555011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9904628484 + 1150905625 = 99522^2 + 33925^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055534109 - 2⁷ = 11055533981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11055534509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527767054 + 5527767055.

It is an arithmetic number, because the mean of its divisors is an integer number (5527767055).

Almost surely, 2^11055534109 is an apocalyptic number.

It is an amenable number.

11055534109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055534109 is an equidigital number, since it uses as much as digits as its factorization.

11055534109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 11055534109 in words is "eleven billion, fifty-five million, five hundred thirty-four thousand, one hundred nine".