104143201243181 has 2 divisors, whose sum is σ = 104143201243182. Its totient is φ = 104143201243180.

The previous prime is 104143201243093. The next prime is 104143201243217. The reversal of 104143201243181 is 181342102341401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103223263213225 + 919938029956 = 10159885^2 + 959134^2 .

It is a cyclic number.

It is not a de Polignac number, because 104143201243181 - 2¹⁸ = 104143200981037 is a prime.

It is a super-2 number, since 2×104143201243181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104143201243381) 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, 52071600621590 + 52071600621591.

It is an arithmetic number, because the mean of its divisors is an integer number (52071600621591).

Almost surely, 2^{104143201243181} is an apocalyptic number.

It is an amenable number.

104143201243181 is a deficient number, since it is larger than the sum of its proper divisors (1).

104143201243181 is an equidigital number, since it uses as much as digits as its factorization.

104143201243181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

Adding to 104143201243181 its reverse (181342102341401), we get a palindrome (285485303584582).

The spelling of 104143201243181 in words is "one hundred four trillion, one hundred forty-three billion, two hundred one million, two hundred forty-three thousand, one hundred eighty-one".