181061352363607 has 2 divisors, whose sum is σ = 181061352363608. Its totient is φ = 181061352363606.

The previous prime is 181061352363553. The next prime is 181061352363623. The reversal of 181061352363607 is 706363253160181.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (706363253160181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 181061352363607 - 2¹¹ = 181061352361559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181061352333607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90530676181803 + 90530676181804.

It is an arithmetic number, because the mean of its divisors is an integer number (90530676181804).

Almost surely, 2^{181061352363607} is an apocalyptic number.

181061352363607 is a deficient number, since it is larger than the sum of its proper divisors (1).

181061352363607 is an equidigital number, since it uses as much as digits as its factorization.

181061352363607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 181061352363607 in words is "one hundred eighty-one trillion, sixty-one billion, three hundred fifty-two million, three hundred sixty-three thousand, six hundred seven".