1133115563 has 8 divisors (see below), whose sum is σ = 1149224736. Its totient is φ = 1117022400.

The previous prime is 1133115551. The next prime is 1133115583. The reversal of 1133115563 is 3655113311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1133115563 - 2⁶ = 1133115499 is a prime.

It is a super-2 number, since 2×1133115563² = 2567901758225613938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133115583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254093 + ... + 258513.

It is an arithmetic number, because the mean of its divisors is an integer number (143653092).

Almost surely, 2^1133115563 is an apocalyptic number.

1133115563 is a deficient number, since it is larger than the sum of its proper divisors (16109173).

1133115563 is an equidigital number, since it uses as much as digits as its factorization.

1133115563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005.

The product of its digits is 4050, while the sum is 29.

The square root of 1133115563 is about 33661.7819344134. The cubic root of 1133115563 is about 1042.5368183183.

Adding to 1133115563 its reverse (3655113311), we get a palindrome (4788228874).

The spelling of 1133115563 in words is "one billion, one hundred thirty-three million, one hundred fifteen thousand, five hundred sixty-three".