80053454108861 has 2 divisors, whose sum is σ = 80053454108862. Its totient is φ = 80053454108860.

The previous prime is 80053454108857. The next prime is 80053454108897. The reversal of 80053454108861 is 16880145435008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79779391388761 + 274062720100 = 8931931^2 + 523510^2 .

It is a cyclic number.

It is not a de Polignac number, because 80053454108861 - 2² = 80053454108857 is a prime.

It is a super-3 number, since 3×80053454108861³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80053454108161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40026727054430 + 40026727054431.

It is an arithmetic number, because the mean of its divisors is an integer number (40026727054431).

Almost surely, 2^{80053454108861} is an apocalyptic number.

It is an amenable number.

80053454108861 is a deficient number, since it is larger than the sum of its proper divisors (1).

80053454108861 is an equidigital number, since it uses as much as digits as its factorization.

80053454108861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 80053454108861 in words is "eighty trillion, fifty-three billion, four hundred fifty-four million, one hundred eight thousand, eight hundred sixty-one".