8282721131356 has 48 divisors (see below), whose sum is σ = 17437623356160. Its totient is φ = 3362848444800.

The previous prime is 8282721131303. The next prime is 8282721131401. The reversal of 8282721131356 is 6531311272828.

It is a super-2 number, since 2×8282721131356² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40010091 + ... + 40216573.

It is an arithmetic number, because the mean of its divisors is an integer number (363283819920).

Almost surely, 2^{8282721131356} is an apocalyptic number.

It is an amenable number.

8282721131356 is an abundant number, since it is smaller than the sum of its proper divisors (9154902224804).

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

8282721131356 is a wasteful number, since it uses less digits than its factorization.

8282721131356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281914 (or 281912 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 8282721131356 in words is "eight trillion, two hundred eighty-two billion, seven hundred twenty-one million, one hundred thirty-one thousand, three hundred fifty-six".