1116945679 has 4 divisors (see below), whose sum is σ = 1182648384. Its totient is φ = 1051242976.

The previous prime is 1116945671. The next prime is 1116945703. The reversal of 1116945679 is 9765496111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1116945679 - 2³ = 1116945671 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116945671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32851327 + ... + 32851360.

It is an arithmetic number, because the mean of its divisors is an integer number (295662096).

Almost surely, 2^1116945679 is an apocalyptic number.

1116945679 is a deficient number, since it is larger than the sum of its proper divisors (65702705).

1116945679 is an equidigital number, since it uses as much as digits as its factorization.

1116945679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65702704.

The product of its digits is 408240, while the sum is 49.

The square root of 1116945679 is about 33420.7372599708. The cubic root of 1116945679 is about 1037.5539404674.

The spelling of 1116945679 in words is "one billion, one hundred sixteen million, nine hundred forty-five thousand, six hundred seventy-nine".