80944368728101 has 8 divisors (see below), whose sum is σ = 81085226414144. Its totient is φ = 80803513025280.

The previous prime is 80944368728053. The next prime is 80944368728129. The reversal of 80944368728101 is 10182786344908.

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 80944368728101 - 2³³ = 80935778793509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80944368728101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80944368768101) 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, 98309536 + ... + 99129478.

It is an arithmetic number, because the mean of its divisors is an integer number (10135653301768).

Almost surely, 2^{80944368728101} is an apocalyptic number.

It is an amenable number.

80944368728101 is a deficient number, since it is larger than the sum of its proper divisors (140857686043).

80944368728101 is a wasteful number, since it uses less digits than its factorization.

80944368728101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991611.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 80944368728101 in words is "eighty trillion, nine hundred forty-four billion, three hundred sixty-eight million, seven hundred twenty-eight thousand, one hundred one".