141085561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165580141 = 2789 ⋅59369.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-141085561 is a prime.
It is a Duffinian number.
Almost surely, 2141085561 is an apocalyptic number.
It is an amenable number.
141085561 is an equidigital number, since it uses as much as digits as its factorization.
141085561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536710.
The square root of 141085561 is about 11877.9443086756. The cubic root of 141085561 is about 520.5880440769.
The spelling of 141085561 in words is "one hundred forty-one million, eighty-five thousand, five hundred sixty-one".