80689912611731 has 2 divisors, whose sum is σ = 80689912611732. Its totient is φ = 80689912611730.

The previous prime is 80689912611713. The next prime is 80689912611773. The reversal of 80689912611731 is 13711621998608.

Together with previous prime (80689912611713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80689912611731 - 2¹⁸ = 80689912349587 is a prime.

It is a super-2 number, since 2×80689912611731² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80689912611431) 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, 40344956305865 + 40344956305866.

It is an arithmetic number, because the mean of its divisors is an integer number (40344956305866).

Almost surely, 2^{80689912611731} is an apocalyptic number.

80689912611731 is a deficient number, since it is larger than the sum of its proper divisors (1).

80689912611731 is an equidigital number, since it uses as much as digits as its factorization.

80689912611731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 80689912611731 in words is "eighty trillion, six hundred eighty-nine billion, nine hundred twelve million, six hundred eleven thousand, seven hundred thirty-one".