1001020011984 has 60 divisors (see below), whose sum is σ = 2804920390272. Its totient is φ = 333261864000.

The previous prime is 1001020011967. The next prime is 1001020011997. The reversal of 1001020011984 is 4891100201001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4168992 + ... + 4402559.

Almost surely, 2^{1001020011984} is an apocalyptic number.

It is an amenable number.

1001020011984 is an abundant number, since it is smaller than the sum of its proper divisors (1803900378288).

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

1001020011984 is a wasteful number, since it uses less digits than its factorization.

1001020011984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572376 (or 8572367 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

Adding to 1001020011984 its reverse (4891100201001), we get a palindrome (5892120212985).

The spelling of 1001020011984 in words is "one trillion, one billion, twenty million, eleven thousand, nine hundred eighty-four".