1169118862564 has 9 divisors (see below), whose sum is σ = 2045961793897. Its totient is φ = 584558350024.

The previous prime is 1169118862511. The next prime is 1169118862579. The reversal of 1169118862564 is 4652688119611.

The square root of 1169118862564 is 1081258.

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

It can be written as a sum of positive squares in only one way, i.e., 1066795648164 + 102323214400 = 1032858^2 + 319880^2 .

It is a super-2 number, since 2×1169118862564² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1169118862499 and 1169118862508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1892202 + ... + 2432830.

Almost surely, 2^{1169118862564} is an apocalyptic number.

1169118862564 is the 1081258-th square number.

It is an amenable number.

1169118862564 is a deficient number, since it is larger than the sum of its proper divisors (876842931333).

1169118862564 is an frugal number, since it uses more digits than its factorization.

1169118862564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081262 (or 540631 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The spelling of 1169118862564 in words is "one trillion, one hundred sixty-nine billion, one hundred eighteen million, eight hundred sixty-two thousand, five hundred sixty-four".