485867511081 has 16 divisors (see below), whose sum is σ = 719847661120. Its totient is φ = 323891900640.

The previous prime is 485867511043. The next prime is 485867511083. The reversal of 485867511081 is 180115768584.

485867511081 is a `hidden beast` number, since 4 + 8 + 586 + 7 + 51 + 1 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 485867511081 - 2¹¹ = 485867509033 is a prime.

It is a super-3 number, since 3×485867511081³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (485867511083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91855 + ... + 990036.

It is an arithmetic number, because the mean of its divisors is an integer number (44990478820).

Almost surely, 2^485867511081 is an apocalyptic number.

It is an amenable number.

485867511081 is a deficient number, since it is larger than the sum of its proper divisors (233980150039).

485867511081 is a wasteful number, since it uses less digits than its factorization.

485867511081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098533 (or 1098527 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 54.

The spelling of 485867511081 in words is "four hundred eighty-five billion, eight hundred sixty-seven million, five hundred eleven thousand, eighty-one".