1163611063 has 2 divisors, whose sum is σ = 1163611064. Its totient is φ = 1163611062.

The previous prime is 1163611013. The next prime is 1163611073. The reversal of 1163611063 is 3601163611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1163611063 - 2¹³ = 1163602871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163611013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581805531 + 581805532.

It is an arithmetic number, because the mean of its divisors is an integer number (581805532).

Almost surely, 2^1163611063 is an apocalyptic number.

1163611063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163611063 is an equidigital number, since it uses as much as digits as its factorization.

1163611063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1163611063 is about 34111.7437695583. The cubic root of 1163611063 is about 1051.8067345697.

Adding to 1163611063 its reverse (3601163611), we get a palindrome (4764774674).

The spelling of 1163611063 in words is "one billion, one hundred sixty-three million, six hundred eleven thousand, sixty-three".