1980108312067 has 2 divisors, whose sum is σ = 1980108312068. Its totient is φ = 1980108312066.

The previous prime is 1980108312053. The next prime is 1980108312071. The reversal of 1980108312067 is 7602138010891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1980108312067 - 2¹⁵ = 1980108279299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1980108312097) 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, 990054156033 + 990054156034.

It is an arithmetic number, because the mean of its divisors is an integer number (990054156034).

Almost surely, 2^{1980108312067} is an apocalyptic number.

1980108312067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980108312067 is an equidigital number, since it uses as much as digits as its factorization.

1980108312067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 1980108312067 in words is "one trillion, nine hundred eighty billion, one hundred eight million, three hundred twelve thousand, sixty-seven".