1116028813 has 8 divisors (see below), whose sum is σ = 1131598080. Its totient is φ = 1100495760.

The previous prime is 1116028657. The next prime is 1116028831. The reversal of 1116028813 is 3188206111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116028813 - 2²¹ = 1113931661 is a prime.

It is a super-2 number, since 2×1116028813² = 2491040622892377938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116028843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56256 + ... + 73462.

It is an arithmetic number, because the mean of its divisors is an integer number (141449760).

Almost surely, 2^1116028813 is an apocalyptic number.

It is an amenable number.

1116028813 is a deficient number, since it is larger than the sum of its proper divisors (15569267).

1116028813 is an equidigital number, since it uses as much as digits as its factorization.

1116028813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1116028813 is about 33407.0174214939. The cubic root of 1116028813 is about 1037.2699641545.

The spelling of 1116028813 in words is "one billion, one hundred sixteen million, twenty-eight thousand, eight hundred thirteen".