It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
Almost surely, 2131778345778851 is an apocalyptic number.
131778345778851 is an equidigital number, since it uses as much as digits as its factorization.
131778345778851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8283262945.
The spelling of 131778345778851 in words is "one hundred thirty-one trillion, seven hundred seventy-eight billion, three hundred forty-five million, seven hundred seventy-eight thousand, eight hundred fifty-one".