1980607845100 has 18 divisors (see below), whose sum is σ = 4297919024084. Its totient is φ = 792243138000.

The previous prime is 1980607845089. The next prime is 1980607845121. The reversal of 1980607845100 is 15487060891.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9903039126 + ... + 9903039325.

Almost surely, 2^{1980607845100} is an apocalyptic number.

1980607845100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980607845100 is an abundant number, since it is smaller than the sum of its proper divisors (2317311178984).

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

1980607845100 is a wasteful number, since it uses less digits than its factorization.

1980607845100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19806078465 (or 19806078458 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 1980607845100 in words is "one trillion, nine hundred eighty billion, six hundred seven million, eight hundred forty-five thousand, one hundred".