84518891100481 has 32 divisors (see below), whose sum is σ = 92493273600000. Its totient is φ = 76934464044480.

The previous prime is 84518891100421. The next prime is 84518891100509. The reversal of 84518891100481 is 18400119881548.

It is a cyclic number.

It is not a de Polignac number, because 84518891100481 - 2⁷ = 84518891100353 is a prime.

It is a super-2 number, since 2×84518891100481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84518891100421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205067110 + ... + 205478848.

It is an arithmetic number, because the mean of its divisors is an integer number (2890414800000).

Almost surely, 2^{84518891100481} is an apocalyptic number.

It is an amenable number.

84518891100481 is a deficient number, since it is larger than the sum of its proper divisors (7974382499519).

84518891100481 is a wasteful number, since it uses less digits than its factorization.

84518891100481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414277.

The product of its (nonzero) digits is 2949120, while the sum is 58.

The spelling of 84518891100481 in words is "eighty-four trillion, five hundred eighteen billion, eight hundred ninety-one million, one hundred thousand, four hundred eighty-one".