1555163114983 has 2 divisors, whose sum is σ = 1555163114984. Its totient is φ = 1555163114982.

The previous prime is 1555163114977. The next prime is 1555163114987. The reversal of 1555163114983 is 3894113615551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1555163114983 - 2⁹ = 1555163114471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1555163114983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1555163114987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777581557491 + 777581557492.

It is an arithmetic number, because the mean of its divisors is an integer number (777581557492).

Almost surely, 2^{1555163114983} is an apocalyptic number.

1555163114983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1555163114983 is an equidigital number, since it uses as much as digits as its factorization.

1555163114983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 52.

The spelling of 1555163114983 in words is "one trillion, five hundred fifty-five billion, one hundred sixty-three million, one hundred fourteen thousand, nine hundred eighty-three".