80680518742041 has 6 divisors (see below), whose sum is σ = 116538527071850. Its totient is φ = 53787012494688.

The previous prime is 80680518741997. The next prime is 80680518742051. The reversal of 80680518742041 is 14024781508608.

80680518742041 is a `hidden beast` number, since 8 + 0 + 6 + 80 + 518 + 7 + 4 + 2 + 0 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59138853052041 + 21541665690000 = 7690179^2 + 4641300^2 .

It is a de Polignac number, because none of the positive numbers 2^k-80680518742041 is a prime.

It is a super-2 number, since 2×80680518742041² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80680518742051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4482251041216 + ... + 4482251041233.

Almost surely, 2^{80680518742041} is an apocalyptic number.

It is an amenable number.

80680518742041 is a deficient number, since it is larger than the sum of its proper divisors (35858008329809).

80680518742041 is a wasteful number, since it uses less digits than its factorization.

80680518742041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964502082455 (or 8964502082452 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 80680518742041 in words is "eighty trillion, six hundred eighty billion, five hundred eighteen million, seven hundred forty-two thousand, forty-one".