1163313045 has 12 divisors (see below), whose sum is σ = 2016409356. Its totient is φ = 620433600.

The previous prime is 1163313031. The next prime is 1163313079. The reversal of 1163313045 is 5403133611.

1163313045 is a `hidden beast` number, since 11 + 633 + 13 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 333354564 + 829958481 = 18258^2 + 28809^2 .

It is not a de Polignac number, because 1163313045 - 2³⁰ = 89571221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12925656 + ... + 12925745.

It is an arithmetic number, because the mean of its divisors is an integer number (168034113).

Almost surely, 2^1163313045 is an apocalyptic number.

1163313045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163313045 is a deficient number, since it is larger than the sum of its proper divisors (853096311).

1163313045 is a wasteful number, since it uses less digits than its factorization.

1163313045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25851412 (or 25851409 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1163313045 is about 34107.3752288270. The cubic root of 1163313045 is about 1051.7169324834.

Adding to 1163313045 its reverse (5403133611), we get a palindrome (6566446656).

The spelling of 1163313045 in words is "one billion, one hundred sixty-three million, three hundred thirteen thousand, forty-five".