1980108312064 has 40 divisors (see below), whose sum is σ = 3987501712128. Its totient is φ = 982258421760.

The previous prime is 1980108312053. The next prime is 1980108312067. The reversal of 1980108312064 is 4602138010891.

It is a self number, because there is not a number n which added to its sum of digits gives 1980108312064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980108312067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15160957 + ... + 15291004.

Almost surely, 2^{1980108312064} is an apocalyptic number.

It is an amenable number.

1980108312064 is an abundant number, since it is smaller than the sum of its proper divisors (2007393400064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1980108312064 is an equidigital number, since it uses as much as digits as its factorization.

1980108312064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30452106 (or 30452090 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 1980108312064 in words is "one trillion, nine hundred eighty billion, one hundred eight million, three hundred twelve thousand, sixty-four".