1011663011 has 2 divisors, whose sum is σ = 1011663012. Its totient is φ = 1011663010.

The previous prime is 1011662963. The next prime is 1011663017. The reversal of 1011663011 is 1103661101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011663011 is a prime.

It is a super-2 number, since 2×1011663011² = 2046924095651172242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011663017) 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 as a sum of consecutive naturals, namely, 505831505 + 505831506.

It is an arithmetic number, because the mean of its divisors is an integer number (505831506).

Almost surely, 2^1011663011 is an apocalyptic number.

1011663011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011663011 is an equidigital number, since it uses as much as digits as its factorization.

1011663011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1011663011 is about 31806.6504209418. The cubic root of 1011663011 is about 1003.8726535280.

The spelling of 1011663011 in words is "one billion, eleven million, six hundred sixty-three thousand, eleven".