7578781060000 has 120 divisors (see below), whose sum is σ = 19455588893664. Its totient is φ = 2899707360000.

The previous prime is 7578781059929. The next prime is 7578781060027. The reversal of 7578781060000 is 601878757.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 7777806 + ... + 8697805.

Almost surely, 2^{7578781060000} is an apocalyptic number.

It is an amenable number.

7578781060000 is an abundant number, since it is smaller than the sum of its proper divisors (11876807833664).

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

7578781060000 is a wasteful number, since it uses less digits than its factorization.

7578781060000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16475664 (or 16475641 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 49.

The spelling of 7578781060000 in words is "seven trillion, five hundred seventy-eight billion, seven hundred eighty-one million, sixty thousand".