1555163114467 has 2 divisors, whose sum is σ = 1555163114468. Its totient is φ = 1555163114466.

The previous prime is 1555163114443. The next prime is 1555163114471. The reversal of 1555163114467 is 7644113615551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1555163114467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1555163114467.

It is not a weakly prime, because it can be changed into another prime (1555163114437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777581557233 + 777581557234.

It is an arithmetic number, because the mean of its divisors is an integer number (777581557234).

Almost surely, 2^{1555163114467} is an apocalyptic number.

1555163114467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1555163114467 is an equidigital number, since it uses as much as digits as its factorization.

1555163114467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 49.

The spelling of 1555163114467 in words is "one trillion, five hundred fifty-five billion, one hundred sixty-three million, one hundred fourteen thousand, four hundred sixty-seven".