561118883 has 8 divisors (see below), whose sum is σ = 625119600. Its totient is φ = 500095008.

The previous prime is 561118871. The next prime is 561118889. The reversal of 561118883 is 388811165.

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 561118883 - 2⁴ = 561118867 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 561118883.

It is not an unprimeable number, because it can be changed into a prime (561118889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743813 + ... + 744566.

It is an arithmetic number, because the mean of its divisors is an integer number (78139950).

Almost surely, 2^561118883 is an apocalyptic number.

561118883 is a deficient number, since it is larger than the sum of its proper divisors (64000717).

561118883 is a wasteful number, since it uses less digits than its factorization.

561118883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488421.

The product of its digits is 46080, while the sum is 41.

The square root of 561118883 is about 23687.9480538100. The cubic root of 561118883 is about 824.8056514347.

The spelling of 561118883 in words is "five hundred sixty-one million, one hundred eighteen thousand, eight hundred eighty-three".