141381566548777 has 4 divisors (see below), whose sum is σ = 141381623095236. Its totient is φ = 141381510002320.

The previous prime is 141381566548741. The next prime is 141381566548801. The reversal of 141381566548777 is 777845665183141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107528998205161 + 33852568343616 = 10369619^2 + 5818296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141381566548777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141381566528777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24340474 + ... + 29584147.

It is an arithmetic number, because the mean of its divisors is an integer number (35345405773809).

Almost surely, 2^{141381566548777} is an apocalyptic number.

It is an amenable number.

141381566548777 is a deficient number, since it is larger than the sum of its proper divisors (56546459).

141381566548777 is an equidigital number, since it uses as much as digits as its factorization.

141381566548777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56546458.

The product of its digits is 948326400, while the sum is 73.

The spelling of 141381566548777 in words is "one hundred forty-one trillion, three hundred eighty-one billion, five hundred sixty-six million, five hundred forty-eight thousand, seven hundred seventy-seven".