80065530553 has 2 divisors, whose sum is σ = 80065530554. Its totient is φ = 80065530552.

The previous prime is 80065530539. The next prime is 80065530599. The reversal of 80065530553 is 35503556008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78203003904 + 1862526649 = 279648^2 + 43157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80065530553 is a prime.

It is not a weakly prime, because it can be changed into another prime (80065530653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40032765276 + 40032765277.

It is an arithmetic number, because the mean of its divisors is an integer number (40032765277).

Almost surely, 2^80065530553 is an apocalyptic number.

It is an amenable number.

80065530553 is a deficient number, since it is larger than the sum of its proper divisors (1).

80065530553 is an equidigital number, since it uses as much as digits as its factorization.

80065530553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 80065530553 in words is "eighty billion, sixty-five million, five hundred thirty thousand, five hundred fifty-three".