1155284544173 has 2 divisors, whose sum is σ = 1155284544174. Its totient is φ = 1155284544172.

The previous prime is 1155284544157. The next prime is 1155284544179. The reversal of 1155284544173 is 3714454825511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 979017239209 + 176267304964 = 989453^2 + 419842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155284544173 - 2⁴ = 1155284544157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155284544179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577642272086 + 577642272087.

It is an arithmetic number, because the mean of its divisors is an integer number (577642272087).

Almost surely, 2^{1155284544173} is an apocalyptic number.

It is an amenable number.

1155284544173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155284544173 is an equidigital number, since it uses as much as digits as its factorization.

1155284544173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688000, while the sum is 50.

The spelling of 1155284544173 in words is "one trillion, one hundred fifty-five billion, two hundred eighty-four million, five hundred forty-four thousand, one hundred seventy-three".