485550645561 has 16 divisors (see below), whose sum is σ = 744138921600. Its totient is φ = 312538346064.

The previous prime is 485550645551. The next prime is 485550645571. The reversal of 485550645561 is 165546055584.

485550645561 is a `hidden beast` number, since 4 + 85 + 5 + 5 + 0 + 6 + 4 + 556 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (485550645551) and next prime (485550645571).

It is not a de Polignac number, because 485550645561 - 2⁶ = 485550645497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 485550645498 and 485550645507.

It is not an unprimeable number, because it can be changed into a prime (485550645521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 310057101 + ... + 310058666.

It is an arithmetic number, because the mean of its divisors is an integer number (46508682600).

Almost surely, 2^485550645561 is an apocalyptic number.

It is an amenable number.

485550645561 is a deficient number, since it is larger than the sum of its proper divisors (258588276039).

485550645561 is a wasteful number, since it uses less digits than its factorization.

485550645561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620115805 (or 620115799 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 54.

The spelling of 485550645561 in words is "four hundred eighty-five billion, five hundred fifty million, six hundred forty-five thousand, five hundred sixty-one".