655532043111 has 36 divisors (see below), whose sum is σ = 1041029655120. Its totient is φ = 397198771200.

The previous prime is 655532043083. The next prime is 655532043121. The reversal of 655532043111 is 111340235556.

655532043111 is a `hidden beast` number, since 6 + 5 + 5 + 532 + 0 + 4 + 3 + 111 = 666.

It is not a de Polignac number, because 655532043111 - 2¹³ = 655532034919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655532043121) 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 in 35 ways as a sum of consecutive naturals, for example, 4713255 + ... + 4850343.

It is an arithmetic number, because the mean of its divisors is an integer number (28917490420).

Almost surely, 2^655532043111 is an apocalyptic number.

655532043111 is a deficient number, since it is larger than the sum of its proper divisors (385497612009).

655532043111 is a wasteful number, since it uses less digits than its factorization.

655532043111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141508 (or 141494 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 655532043111 its reverse (111340235556), we get a palindrome (766872278667).

The spelling of 655532043111 in words is "six hundred fifty-five billion, five hundred thirty-two million, forty-three thousand, one hundred eleven".