80191092441601 has 2 divisors, whose sum is σ = 80191092441602. Its totient is φ = 80191092441600.

The previous prime is 80191092441533. The next prime is 80191092441611. The reversal of 80191092441601 is 10614429019108.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68303629689201 + 11887462752400 = 8264601^2 + 3447820^2 .

It is a cyclic number.

It is not a de Polignac number, because 80191092441601 - 2¹¹ = 80191092439553 is a prime.

It is a super-2 number, since 2×80191092441601² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80191092441611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40095546220800 + 40095546220801.

It is an arithmetic number, because the mean of its divisors is an integer number (40095546220801).

Almost surely, 2^{80191092441601} is an apocalyptic number.

It is an amenable number.

80191092441601 is a deficient number, since it is larger than the sum of its proper divisors (1).

80191092441601 is an equidigital number, since it uses as much as digits as its factorization.

80191092441601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 80191092441601 in words is "eighty trillion, one hundred ninety-one billion, ninety-two million, four hundred forty-one thousand, six hundred one".