1163523056 has 20 divisors (see below), whose sum is σ = 2285209392. Its totient is φ = 573791616.

The previous prime is 1163523043. The next prime is 1163523071. The reversal of 1163523056 is 6503253611.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 496916 + ... + 499251.

Almost surely, 2^1163523056 is an apocalyptic number.

1163523056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1163523056 is a deficient number, since it is larger than the sum of its proper divisors (1121686336).

1163523056 is an equidigital number, since it uses as much as digits as its factorization.

1163523056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996248 (or 996242 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1163523056 is about 34110.4537642055. The cubic root of 1163523056 is about 1051.7802169208.

Adding to 1163523056 its reverse (6503253611), we get a palindrome (7666776667).

The spelling of 1163523056 in words is "one billion, one hundred sixty-three million, five hundred twenty-three thousand, fifty-six".