1118481163 has 2 divisors, whose sum is σ = 1118481164. Its totient is φ = 1118481162.

The previous prime is 1118481149. The next prime is 1118481167. The reversal of 1118481163 is 3611848111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118481163 is a prime.

It is a super-2 number, since 2×1118481163² = 2502000223971665138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1118481167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559240581 + 559240582.

It is an arithmetic number, because the mean of its divisors is an integer number (559240582).

Almost surely, 2^1118481163 is an apocalyptic number.

1118481163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118481163 is an equidigital number, since it uses as much as digits as its factorization.

1118481163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 34.

The square root of 1118481163 is about 33443.7013950310. The cubic root of 1118481163 is about 1038.0291703792.

The spelling of 1118481163 in words is "one billion, one hundred eighteen million, four hundred eighty-one thousand, one hundred sixty-three".