85281183481272 has 64 divisors (see below), whose sum is σ = 222474372802560. Its totient is φ = 27190891728000.

The previous prime is 85281183481271. The next prime is 85281183481297. The reversal of 85281183481272 is 27218438118258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85281183481271) 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, 80924622 + ... + 81971682.

It is an arithmetic number, because the mean of its divisors is an integer number (3476162075040).

Almost surely, 2^{85281183481272} is an apocalyptic number.

It is an amenable number.

85281183481272 is an abundant number, since it is smaller than the sum of its proper divisors (137193189321288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85281183481272 is a wasteful number, since it uses less digits than its factorization.

85281183481272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194644 (or 1194640 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 60.

The spelling of 85281183481272 in words is "eighty-five trillion, two hundred eighty-one billion, one hundred eighty-three million, four hundred eighty-one thousand, two hundred seventy-two".