42553636105 has 8 divisors (see below), whose sum is σ = 54068149512. Its totient is φ = 32040384768.

The previous prime is 42553636043. The next prime is 42553636123. The reversal of 42553636105 is 50163635524.

It can be written as a sum of positive squares in 4 ways, for example, as 1406325001 + 41147311104 = 37501^2 + 202848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42553636105 - 2²⁵ = 42520081673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 250315422 + ... + 250315591.

It is an arithmetic number, because the mean of its divisors is an integer number (6758518689).

Almost surely, 2^42553636105 is an apocalyptic number.

It is an amenable number.

42553636105 is a deficient number, since it is larger than the sum of its proper divisors (11514513407).

42553636105 is a wasteful number, since it uses less digits than its factorization.

42553636105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500631035.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 42553636105 in words is "forty-two billion, five hundred fifty-three million, six hundred thirty-six thousand, one hundred five".