80689912611841 has 8 divisors (see below), whose sum is σ = 86897550948264. Its totient is φ = 74482377415680.

The previous prime is 80689912611839. The next prime is 80689912611859. The reversal of 80689912611841 is 14811621998608.

It can be written as a sum of positive squares in 4 ways, for example, as 1977972211216 + 78711940400625 = 1406404^2 + 8871975^2 .

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

It is not a de Polignac number, because 80689912611841 - 2¹ = 80689912611839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80689912611871) 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, 24156406 + ... + 27293071.

It is an arithmetic number, because the mean of its divisors is an integer number (10862193868533).

Almost surely, 2^{80689912611841} is an apocalyptic number.

It is an amenable number.

80689912611841 is a deficient number, since it is larger than the sum of its proper divisors (6207638336423).

80689912611841 is a wasteful number, since it uses less digits than its factorization.

80689912611841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51570131.

The product of its (nonzero) digits is 11943936, while the sum is 64.

The spelling of 80689912611841 in words is "eighty trillion, six hundred eighty-nine billion, nine hundred twelve million, six hundred eleven thousand, eight hundred forty-one".