561128716 has 12 divisors (see below), whose sum is σ = 982305688. Its totient is φ = 280469952.

The previous prime is 561128681. The next prime is 561128731. The reversal of 561128716 is 617821165.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9261 + ... + 34756.

Almost surely, 2^561128716 is an apocalyptic number.

It is an amenable number.

561128716 is a deficient number, since it is larger than the sum of its proper divisors (421176972).

561128716 is a wasteful number, since it uses less digits than its factorization.

561128716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47208 (or 47206 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 561128716 is about 23688.1556057030. The cubic root of 561128716 is about 824.8104693481.

The spelling of 561128716 in words is "five hundred sixty-one million, one hundred twenty-eight thousand, seven hundred sixteen".