80665110108313 has 2 divisors, whose sum is σ = 80665110108314. Its totient is φ = 80665110108312.

The previous prime is 80665110108301. The next prime is 80665110108389. The reversal of 80665110108313 is 31380101156608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78877081150729 + 1788028957584 = 8881277^2 + 1337172^2 .

It is a cyclic number.

It is not a de Polignac number, because 80665110108313 - 2⁴¹ = 78466086852761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80665110108313.

It is not a weakly prime, because it can be changed into another prime (80665113108313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40332555054156 + 40332555054157.

It is an arithmetic number, because the mean of its divisors is an integer number (40332555054157).

Almost surely, 2^{80665110108313} is an apocalyptic number.

It is an amenable number.

80665110108313 is a deficient number, since it is larger than the sum of its proper divisors (1).

80665110108313 is an equidigital number, since it uses as much as digits as its factorization.

80665110108313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 80665110108313 in words is "eighty trillion, six hundred sixty-five billion, one hundred ten million, one hundred eight thousand, three hundred thirteen".