6854561280000 has 2080 divisors, whose sum is σ = 30002220216320. Its totient is φ = 1512898560000.

The previous prime is 6854561279957. The next prime is 6854561280011. The reversal of 6854561280000 is 821654586.

6854561280000 is a `hidden beast` number, since 6 + 8 + 5 + 4 + 561 + 2 + 80 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 159 ways as a sum of consecutive naturals, for example, 14999039772 + ... + 14999040228.

Almost surely, 2^{6854561280000} is an apocalyptic number.

6854561280000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6854561280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15001110108160).

6854561280000 is an abundant number, since it is smaller than the sum of its proper divisors (23147658936320).

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

6854561280000 is an equidigital number, since it uses as much as digits as its factorization.

6854561280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 6854561280000 in words is "six trillion, eight hundred fifty-four billion, five hundred sixty-one million, two hundred eighty thousand".