8481018136281 has 8 divisors (see below), whose sum is σ = 11476800662304. Its totient is φ = 5569623850560.

The previous prime is 8481018136219. The next prime is 8481018136321. The reversal of 8481018136281 is 1826318101848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8481018136281 - 2⁹ = 8481018135769 is a prime.

It is a super-2 number, since 2×8481018136281² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8481018135281) 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, 21097059840 + ... + 21097060241.

It is an arithmetic number, because the mean of its divisors is an integer number (1434600082788).

Almost surely, 2^{8481018136281} is an apocalyptic number.

It is an amenable number.

8481018136281 is a deficient number, since it is larger than the sum of its proper divisors (2995782526023).

8481018136281 is a wasteful number, since it uses less digits than its factorization.

8481018136281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42194120151.

The product of its (nonzero) digits is 589824, while the sum is 51.

The spelling of 8481018136281 in words is "eight trillion, four hundred eighty-one billion, eighteen million, one hundred thirty-six thousand, two hundred eighty-one".