210042565601 has 8 divisors (see below), whose sum is σ = 229142731008. Its totient is φ = 190943298000.

The previous prime is 210042565597. The next prime is 210042565609. The reversal of 210042565601 is 106565240012.

210042565601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210042565601 - 2² = 210042565597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210042565609) 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 7 ways as a sum of consecutive naturals, for example, 322736 + ... + 724046.

It is an arithmetic number, because the mean of its divisors is an integer number (28642841376).

Almost surely, 2^210042565601 is an apocalyptic number.

It is an amenable number.

210042565601 is a deficient number, since it is larger than the sum of its proper divisors (19100165407).

210042565601 is a wasteful number, since it uses less digits than its factorization.

210042565601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448903.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 210042565601 in words is "two hundred ten billion, forty-two million, five hundred sixty-five thousand, six hundred one".