5555193663871 has 2 divisors, whose sum is σ = 5555193663872. Its totient is φ = 5555193663870.

The previous prime is 5555193663857. The next prime is 5555193663947. The reversal of 5555193663871 is 1783663915555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555193663871 - 2¹⁷ = 5555193532799 is a prime.

It is a super-2 number, since 2×5555193663871² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555193663821) 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, 2777596831935 + 2777596831936.

It is an arithmetic number, because the mean of its divisors is an integer number (2777596831936).

Almost surely, 2^{5555193663871} is an apocalyptic number.

5555193663871 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555193663871 is an equidigital number, since it uses as much as digits as its factorization.

5555193663871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060000, while the sum is 64.

The spelling of 5555193663871 in words is "five trillion, five hundred fifty-five billion, one hundred ninety-three million, six hundred sixty-three thousand, eight hundred seventy-one".