1116200045 has 4 divisors (see below), whose sum is σ = 1339440060. Its totient is φ = 892960032.

The previous prime is 1116200023. The next prime is 1116200047. The reversal of 1116200045 is 5400026111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 636502441 + 479697604 = 25229^2 + 21902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116200045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116200047) 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, 111620000 + ... + 111620009.

It is an arithmetic number, because the mean of its divisors is an integer number (334860015).

Almost surely, 2^1116200045 is an apocalyptic number.

It is an amenable number.

1116200045 is a deficient number, since it is larger than the sum of its proper divisors (223240015).

1116200045 is an equidigital number, since it uses as much as digits as its factorization.

1116200045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223240014.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1116200045 is about 33409.5801380383. The cubic root of 1116200045 is about 1037.3230107920.

Adding to 1116200045 its reverse (5400026111), we get a palindrome (6516226156).

The spelling of 1116200045 in words is "one billion, one hundred sixteen million, two hundred thousand, forty-five".