461446561103521 has 16 divisors (see below), whose sum is σ = 528149330512128. Its totient is φ = 394939608940800.

The previous prime is 461446561103497. The next prime is 461446561103551. The reversal of 461446561103521 is 125301165644164.

It is not a de Polignac number, because 461446561103521 - 2⁷ = 461446561103393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461446561103551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450861 + ... + 30382501.

It is an arithmetic number, because the mean of its divisors is an integer number (33009333157008).

Almost surely, 2^{461446561103521} is an apocalyptic number.

It is an amenable number.

461446561103521 is a deficient number, since it is larger than the sum of its proper divisors (66702769408607).

461446561103521 is a wasteful number, since it uses less digits than its factorization.

461446561103521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29934912.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 461446561103521 in words is "four hundred sixty-one trillion, four hundred forty-six billion, five hundred sixty-one million, one hundred three thousand, five hundred twenty-one".