1555163114941 has 2 divisors, whose sum is σ = 1555163114942. Its totient is φ = 1555163114940.

The previous prime is 1555163114929. The next prime is 1555163114977. The reversal of 1555163114941 is 1494113615551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382235219225 + 172927895716 = 1175685^2 + 415846^2 .

It is an emirp because it is prime and its reverse (1494113615551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1555163114941 - 2⁵ = 1555163114909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1555163114891 and 1555163114900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1555163114641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777581557470 + 777581557471.

It is an arithmetic number, because the mean of its divisors is an integer number (777581557471).

Almost surely, 2^{1555163114941} is an apocalyptic number.

It is an amenable number.

1555163114941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1555163114941 is an equidigital number, since it uses as much as digits as its factorization.

1555163114941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 46.

The spelling of 1555163114941 in words is "one trillion, five hundred fifty-five billion, one hundred sixty-three million, one hundred fourteen thousand, nine hundred forty-one".