6781486891104 has 120 divisors (see below), whose sum is σ = 19944949352328. Its totient is φ = 2260406684160.

The previous prime is 6781486891051. The next prime is 6781486891111. The reversal of 6781486891104 is 4011986841876.

6781486891104 is a `hidden beast` number, since 6 + 78 + 1 + 486 + 89 + 1 + 1 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118443924 + ... + 118501164.

Almost surely, 2^{6781486891104} is an apocalyptic number.

It is an amenable number.

6781486891104 is an abundant number, since it is smaller than the sum of its proper divisors (13163462461224).

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

6781486891104 is a wasteful number, since it uses less digits than its factorization.

6781486891104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102970 (or 102953 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 6781486891104 in words is "six trillion, seven hundred eighty-one billion, four hundred eighty-six million, eight hundred ninety-one thousand, one hundred four".