481105561 has 8 divisors (see below), whose sum is σ = 496971144. Its totient is φ = 465390720.

The previous prime is 481105519. The next prime is 481105571. The reversal of 481105561 is 165501184.

It can be written as a sum of positive squares in 4 ways, for example, as 237745561 + 243360000 = 15419^2 + 15600^2 .

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 481105561 - 2¹⁹ = 480581273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481105501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31180 + ... + 43981.

It is an arithmetic number, because the mean of its divisors is an integer number (62121393).

Almost surely, 2^481105561 is an apocalyptic number.

It is an amenable number.

481105561 is a deficient number, since it is larger than the sum of its proper divisors (15865583).

481105561 is a wasteful number, since it uses less digits than its factorization.

481105561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75371.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 481105561 is about 21934.1186510879. The cubic root of 481105561 is about 783.5741957766.

The spelling of 481105561 in words is "four hundred eighty-one million, one hundred five thousand, five hundred sixty-one".