4201066871561 has 16 divisors (see below), whose sum is σ = 4838527353600. Its totient is φ = 3572987803200.

The previous prime is 4201066871557. The next prime is 4201066871591. The reversal of 4201066871561 is 1651786601024.

4201066871561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4201066871561 - 2² = 4201066871557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4201066871591) 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 15 ways as a sum of consecutive naturals, for example, 1338986 + ... + 3192963.

It is an arithmetic number, because the mean of its divisors is an integer number (302407959600).

Almost surely, 2^{4201066871561} is an apocalyptic number.

It is an amenable number.

4201066871561 is a deficient number, since it is larger than the sum of its proper divisors (637460482039).

4201066871561 is a wasteful number, since it uses less digits than its factorization.

4201066871561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532984.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 4201066871561 in words is "four trillion, two hundred one billion, sixty-six million, eight hundred seventy-one thousand, five hundred sixty-one".