1163531041 has 2 divisors, whose sum is σ = 1163531042. Its totient is φ = 1163531040.

The previous prime is 1163531003. The next prime is 1163531071. The reversal of 1163531041 is 1401353611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985708816 + 177822225 = 31396^2 + 13335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163531041 - 2¹³ = 1163522849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1163530997 and 1163531015.

It is not a weakly prime, because it can be changed into another prime (1163531071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581765520 + 581765521.

It is an arithmetic number, because the mean of its divisors is an integer number (581765521).

Almost surely, 2^1163531041 is an apocalyptic number.

It is an amenable number.

1163531041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163531041 is an equidigital number, since it uses as much as digits as its factorization.

1163531041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1163531041 is about 34110.5708102342. The cubic root of 1163531041 is about 1051.7826229599.

Adding to 1163531041 its reverse (1401353611), we get a palindrome (2564884652).

The spelling of 1163531041 in words is "one billion, one hundred sixty-three million, five hundred thirty-one thousand, forty-one".