1131452563 has 8 divisors (see below), whose sum is σ = 1166460768. Its totient is φ = 1096677504.

The previous prime is 1131452557. The next prime is 1131452579. The reversal of 1131452563 is 3652541311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131452563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131458563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48406 + ... + 67867.

It is an arithmetic number, because the mean of its divisors is an integer number (145807596).

Almost surely, 2^1131452563 is an apocalyptic number.

1131452563 is a deficient number, since it is larger than the sum of its proper divisors (35008205).

1131452563 is a wasteful number, since it uses less digits than its factorization.

1131452563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116573.

The product of its digits is 10800, while the sum is 31.

The square root of 1131452563 is about 33637.0712607385. The cubic root of 1131452563 is about 1042.0265474501.

Adding to 1131452563 its reverse (3652541311), we get a palindrome (4783993874).

The spelling of 1131452563 in words is "one billion, one hundred thirty-one million, four hundred fifty-two thousand, five hundred sixty-three".