80026656246521 has 8 divisors (see below), whose sum is σ = 80558427391680. Its totient is φ = 79495382785392.

The previous prime is 80026656246473. The next prime is 80026656246539. The reversal of 80026656246521 is 12564265662008.

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 80026656246521 - 2¹⁴ = 80026656230137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80026656240521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124098341 + ... + 124741538.

It is an arithmetic number, because the mean of its divisors is an integer number (10069803423960).

Almost surely, 2^{80026656246521} is an apocalyptic number.

It is an amenable number.

80026656246521 is a deficient number, since it is larger than the sum of its proper divisors (531771145159).

80026656246521 is a wasteful number, since it uses less digits than its factorization.

80026656246521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248842015.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 80026656246521 in words is "eighty trillion, twenty-six billion, six hundred fifty-six million, two hundred forty-six thousand, five hundred twenty-one".