1116545263 has 4 divisors (see below), whose sum is σ = 1146722200. Its totient is φ = 1086368328.

The previous prime is 1116545239. The next prime is 1116545291. The reversal of 1116545263 is 3625456111.

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 1116545263 - 2⁵ = 1116545231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116545063) 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, 15088413 + ... + 15088486.

It is an arithmetic number, because the mean of its divisors is an integer number (286680550).

Almost surely, 2^1116545263 is an apocalyptic number.

1116545263 is a deficient number, since it is larger than the sum of its proper divisors (30176937).

1116545263 is an equidigital number, since it uses as much as digits as its factorization.

1116545263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30176936.

The product of its digits is 21600, while the sum is 34.

The square root of 1116545263 is about 33414.7461908661. The cubic root of 1116545263 is about 1037.4299407475.

The spelling of 1116545263 in words is "one billion, one hundred sixteen million, five hundred forty-five thousand, two hundred sixty-three".