281080361071081 has 128 divisors (see below), whose sum is σ = 345605402419200. Its totient is φ = 225207453219840.

The previous prime is 281080361071063. The next prime is 281080361071093. The reversal of 281080361071081 is 180170163080182.

It is not a de Polignac number, because 281080361071081 - 2²⁷ = 281080226853353 is a prime.

It is a super-2 number, since 2×281080361071081² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (281080361071001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 77156287246 + ... + 77156290888.

It is an arithmetic number, because the mean of its divisors is an integer number (2700042206400).

Almost surely, 2^{281080361071081} is an apocalyptic number.

It is an amenable number.

281080361071081 is a deficient number, since it is larger than the sum of its proper divisors (64525041348119).

281080361071081 is a wasteful number, since it uses less digits than its factorization.

281080361071081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471.

The product of its (nonzero) digits is 129024, while the sum is 46.

The spelling of 281080361071081 in words is "two hundred eighty-one trillion, eighty billion, three hundred sixty-one million, seventy-one thousand, eighty-one".