1173285411489 has 27 divisors (see below), whose sum is σ = 1708796176113. Its totient is φ = 775758333672.

The previous prime is 1173285411413. The next prime is 1173285411539. The reversal of 1173285411489 is 9841145823711.

The square root of 1173285411489 is 1083183.

It is a perfect power (a square), and thus also a powerful number.

1173285411489 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 2 + 8 + 541 + 14 + 89 = 666.

It is not a de Polignac number, because 1173285411489 - 2¹¹ = 1173285409441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1173285411289) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 412691302 + ... + 412694144.

Almost surely, 2^{1173285411489} is an apocalyptic number.

1173285411489 is the 1083183-rd square number.

1173285411489 is the 541592-nd centered octagonal number.

It is an amenable number.

1173285411489 is a deficient number, since it is larger than the sum of its proper divisors (535510764624).

1173285411489 is an frugal number, since it uses more digits than its factorization.

1173285411489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946 (or 2973 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 1173285411489 in words is "one trillion, one hundred seventy-three billion, two hundred eighty-five million, four hundred eleven thousand, four hundred eighty-nine".