1163315745 has 12 divisors (see below), whose sum is σ = 2016414036. Its totient is φ = 620435040.

The previous prime is 1163315737. The next prime is 1163315761. The reversal of 1163315745 is 5475133611.

1163315745 is a `hidden beast` number, since 1 + 1 + 633 + 15 + 7 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 154554624 + 1008761121 = 12432^2 + 31761^2 .

It is not a de Polignac number, because 1163315745 - 2³ = 1163315737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12925686 + ... + 12925775.

It is an arithmetic number, because the mean of its divisors is an integer number (168034503).

Almost surely, 2^1163315745 is an apocalyptic number.

1163315745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163315745 is a deficient number, since it is larger than the sum of its proper divisors (853098291).

1163315745 is a wasteful number, since it uses less digits than its factorization.

1163315745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25851472 (or 25851469 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 1163315745 is about 34107.4148096862. The cubic root of 1163315745 is about 1051.7177461461.

The spelling of 1163315745 in words is "one billion, one hundred sixty-three million, three hundred fifteen thousand, seven hundred forty-five".