1841181661199 has 2 divisors, whose sum is σ = 1841181661200. Its totient is φ = 1841181661198.

The previous prime is 1841181661093. The next prime is 1841181661211. The reversal of 1841181661199 is 9911661811481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1841181661199 - 2⁸ = 1841181660943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1841181661799) 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, 920590830599 + 920590830600.

It is an arithmetic number, because the mean of its divisors is an integer number (920590830600).

Almost surely, 2^{1841181661199} is an apocalyptic number.

1841181661199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841181661199 is an equidigital number, since it uses as much as digits as its factorization.

1841181661199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 56.

The spelling of 1841181661199 in words is "one trillion, eight hundred forty-one billion, one hundred eighty-one million, six hundred sixty-one thousand, one hundred ninety-nine".