3125205432163 has 2 divisors, whose sum is σ = 3125205432164. Its totient is φ = 3125205432162.

The previous prime is 3125205432149. The next prime is 3125205432179. The reversal of 3125205432163 is 3612345025213.

It is a weak prime.

It is an emirp because it is prime and its reverse (3612345025213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125205432163 - 2⁵ = 3125205432131 is a prime.

It is a super-2 number, since 2×3125205432163² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3125205432563) 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, 1562602716081 + 1562602716082.

It is an arithmetic number, because the mean of its divisors is an integer number (1562602716082).

Almost surely, 2^{3125205432163} is an apocalyptic number.

3125205432163 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125205432163 is an equidigital number, since it uses as much as digits as its factorization.

3125205432163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 3125205432163 in words is "three trillion, one hundred twenty-five billion, two hundred five million, four hundred thirty-two thousand, one hundred sixty-three".