22054443511 has 2 divisors, whose sum is σ = 22054443512. Its totient is φ = 22054443510.

The previous prime is 22054443487. The next prime is 22054443529. The reversal of 22054443511 is 11534445022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22054443511 - 2²¹ = 22052346359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22054443811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11027221755 + 11027221756.

It is an arithmetic number, because the mean of its divisors is an integer number (11027221756).

Almost surely, 2^22054443511 is an apocalyptic number.

22054443511 is a deficient number, since it is larger than the sum of its proper divisors (1).

22054443511 is an equidigital number, since it uses as much as digits as its factorization.

22054443511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 22054443511 its reverse (11534445022), we get a palindrome (33588888533).

The spelling of 22054443511 in words is "twenty-two billion, fifty-four million, four hundred forty-three thousand, five hundred eleven".