1116268819 has 2 divisors, whose sum is σ = 1116268820. Its totient is φ = 1116268818.

The previous prime is 1116268817. The next prime is 1116268871. The reversal of 1116268819 is 9188626111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1116268819 - 2¹ = 1116268817 is a prime.

It is a super-2 number, since 2×1116268819² = 2492112152543309522, which contains 22 as substring.

Together with 1116268817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1116268817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558134409 + 558134410.

It is an arithmetic number, because the mean of its divisors is an integer number (558134410).

Almost surely, 2^1116268819 is an apocalyptic number.

1116268819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116268819 is an equidigital number, since it uses as much as digits as its factorization.

1116268819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 43.

The square root of 1116268819 is about 33410.6093778608. The cubic root of 1116268819 is about 1037.3443150340.

The spelling of 1116268819 in words is "one billion, one hundred sixteen million, two hundred sixty-eight thousand, eight hundred nineteen".