182281825281 has 16 divisors (see below), whose sum is σ = 243640013760. Its totient is φ = 121222756800.

The previous prime is 182281825279. The next prime is 182281825291. The reversal of 182281825281 is 182528182281.

It is not a de Polignac number, because 182281825281 - 2¹ = 182281825279 is a prime.

It is a super-2 number, since 2×182281825281² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 182281825281.

It is not an unprimeable number, because it can be changed into a prime (182281825211) 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, 2219806 + ... + 2300456.

It is an arithmetic number, because the mean of its divisors is an integer number (15227500860).

Almost surely, 2^182281825281 is an apocalyptic number.

It is an amenable number.

182281825281 is a deficient number, since it is larger than the sum of its proper divisors (61358188479).

182281825281 is a wasteful number, since it uses less digits than its factorization.

182281825281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82496.

The product of its digits is 327680, while the sum is 48.

The spelling of 182281825281 in words is "one hundred eighty-two billion, two hundred eighty-one million, eight hundred twenty-five thousand, two hundred eighty-one".