8021682140015 has 8 divisors (see below), whose sum is σ = 10192254954480. Its totient is φ = 6039854787712.

The previous prime is 8021682139943. The next prime is 8021682140033. The reversal of 8021682140015 is 5100412861208.

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

It is a cyclic number.

It is not a de Polignac number, because 8021682140015 - 2¹⁸ = 8021681877871 is a prime.

It is a super-3 number, since 3×8021682140015³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47186365445 + ... + 47186365614.

It is an arithmetic number, because the mean of its divisors is an integer number (1274031869310).

Almost surely, 2^{8021682140015} is an apocalyptic number.

8021682140015 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8021682140015 is a deficient number, since it is larger than the sum of its proper divisors (2170572814465).

8021682140015 is a wasteful number, since it uses less digits than its factorization.

8021682140015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94372731081.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 8021682140015 in words is "eight trillion, twenty-one billion, six hundred eighty-two million, one hundred forty thousand, fifteen".