1131007663 has 2 divisors, whose sum is σ = 1131007664. Its totient is φ = 1131007662.

The previous prime is 1131007643. The next prime is 1131007693. The reversal of 1131007663 is 3667001311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131007663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131007613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565503831 + 565503832.

It is an arithmetic number, because the mean of its divisors is an integer number (565503832).

Almost surely, 2^1131007663 is an apocalyptic number.

1131007663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131007663 is an equidigital number, since it uses as much as digits as its factorization.

1131007663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1131007663 is about 33630.4573712580. The cubic root of 1131007663 is about 1041.8899506531.

Adding to 1131007663 its reverse (3667001311), we get a palindrome (4798008974).

The spelling of 1131007663 in words is "one billion, one hundred thirty-one million, seven thousand, six hundred sixty-three".