1116778895 has 4 divisors (see below), whose sum is σ = 1340134680. Its totient is φ = 893423112.

The previous prime is 1116778877. The next prime is 1116778907. The reversal of 1116778895 is 5988776111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5988776111 = 5003 ⋅1197037.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116778895 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 111677885 + ... + 111677894.

It is an arithmetic number, because the mean of its divisors is an integer number (335033670).

Almost surely, 2^1116778895 is an apocalyptic number.

1116778895 is a deficient number, since it is larger than the sum of its proper divisors (223355785).

1116778895 is an equidigital number, since it uses as much as digits as its factorization.

1116778895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223355784.

The product of its digits is 846720, while the sum is 53.

The square root of 1116778895 is about 33418.2419495700. The cubic root of 1116778895 is about 1037.5022948611.

The spelling of 1116778895 in words is "one billion, one hundred sixteen million, seven hundred seventy-eight thousand, eight hundred ninety-five".