655565355105 has 32 divisors (see below), whose sum is σ = 1074662225280. Its totient is φ = 341051742720.

The previous prime is 655565355101. The next prime is 655565355139. The reversal of 655565355105 is 501553565556.

It is not a de Polignac number, because 655565355105 - 2² = 655565355101 is a prime.

It is a super-2 number, since 2×655565355105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655565355101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3845814 + ... + 4012656.

It is an arithmetic number, because the mean of its divisors is an integer number (33583194540).

Almost surely, 2^655565355105 is an apocalyptic number.

It is an amenable number.

655565355105 is a deficient number, since it is larger than the sum of its proper divisors (419096870175).

655565355105 is a wasteful number, since it uses less digits than its factorization.

655565355105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173281.

The product of its (nonzero) digits is 8437500, while the sum is 51.

The spelling of 655565355105 in words is "six hundred fifty-five billion, five hundred sixty-five million, three hundred fifty-five thousand, one hundred five".