141981776777 has 2 divisors, whose sum is σ = 141981776778. Its totient is φ = 141981776776.

The previous prime is 141981776759. The next prime is 141981776789. The reversal of 141981776777 is 777677189141.

141981776777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119446963321 + 22534813456 = 345611^2 + 150116^2 .

It is a cyclic number.

It is not a de Polignac number, because 141981776777 - 2²⁶ = 141914667913 is a prime.

It is not a weakly prime, because it can be changed into another prime (141981775777) by changing a digit.

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 as a sum of consecutive naturals, namely, 70990888388 + 70990888389.

It is an arithmetic number, because the mean of its divisors is an integer number (70990888389).

Almost surely, 2^141981776777 is an apocalyptic number.

It is an amenable number.

141981776777 is a deficient number, since it is larger than the sum of its proper divisors (1).

141981776777 is an equidigital number, since it uses as much as digits as its factorization.

141981776777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29042496, while the sum is 65.

The spelling of 141981776777 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred seventy-six thousand, seven hundred seventy-seven".