1111963663 has 2 divisors, whose sum is σ = 1111963664. Its totient is φ = 1111963662.

The previous prime is 1111963649. The next prime is 1111963673. The reversal of 1111963663 is 3663691111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111963663 - 2²⁵ = 1078409231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111963603) 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, 555981831 + 555981832.

It is an arithmetic number, because the mean of its divisors is an integer number (555981832).

Almost surely, 2^1111963663 is an apocalyptic number.

1111963663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111963663 is an equidigital number, since it uses as much as digits as its factorization.

1111963663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 1111963663 is about 33346.1191595064. The cubic root of 1111963663 is about 1036.0090086201.

The spelling of 1111963663 in words is "one billion, one hundred eleven million, nine hundred sixty-three thousand, six hundred sixty-three".