80417197447521 has 16 divisors (see below), whose sum is σ = 117623935330560. Its totient is φ = 48465417791120.

The previous prime is 80417197447519. The next prime is 80417197447567. The reversal of 80417197447521 is 12574479171408.

It is not a de Polignac number, because 80417197447521 - 2¹ = 80417197447519 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (80417197447511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6806934795 + ... + 6806946608.

It is an arithmetic number, because the mean of its divisors is an integer number (7351495958160).

Almost surely, 2^{80417197447521} is an apocalyptic number.

It is an amenable number.

80417197447521 is a deficient number, since it is larger than the sum of its proper divisors (37206737883039).

80417197447521 is a wasteful number, since it uses less digits than its factorization.

80417197447521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613881596.

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 80417197447521 in words is "eighty trillion, four hundred seventeen billion, one hundred ninety-seven million, four hundred forty-seven thousand, five hundred twenty-one".