1116953009 has 4 divisors (see below), whose sum is σ = 1155468660. Its totient is φ = 1078437360.

The previous prime is 1116952997. The next prime is 1116953017. The reversal of 1116953009 is 9003596111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9003596111 = 911 ⋅9883201.

It can be written as a sum of positive squares in 2 ways, for example, as 784000000 + 332953009 = 28000^2 + 18247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116953009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116953009.

It is not an unprimeable number, because it can be changed into a prime (1116953059) 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, 19257782 + ... + 19257839.

It is an arithmetic number, because the mean of its divisors is an integer number (288867165).

Almost surely, 2^1116953009 is an apocalyptic number.

It is an amenable number.

1116953009 is a deficient number, since it is larger than the sum of its proper divisors (38515651).

1116953009 is an equidigital number, since it uses as much as digits as its factorization.

1116953009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38515650.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 1116953009 is about 33420.8469222430. The cubic root of 1116953009 is about 1037.5562101253.

The spelling of 1116953009 in words is "one billion, one hundred sixteen million, nine hundred fifty-three thousand, nine".