80032544351891 has 2 divisors, whose sum is σ = 80032544351892. Its totient is φ = 80032544351890.

The previous prime is 80032544351887. The next prime is 80032544351897. The reversal of 80032544351891 is 19815344523008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80032544351891 - 2² = 80032544351887 is a prime.

It is not a weakly prime, because it can be changed into another prime (80032544351897) 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, 40016272175945 + 40016272175946.

It is an arithmetic number, because the mean of its divisors is an integer number (40016272175946).

Almost surely, 2^{80032544351891} is an apocalyptic number.

80032544351891 is a deficient number, since it is larger than the sum of its proper divisors (1).

80032544351891 is an equidigital number, since it uses as much as digits as its factorization.

80032544351891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 53.

Adding to 80032544351891 its reverse (19815344523008), we get a palindrome (99847888874899).

The spelling of 80032544351891 in words is "eighty trillion, thirty-two billion, five hundred forty-four million, three hundred fifty-one thousand, eight hundred ninety-one".