561116007 has 6 divisors (see below), whose sum is σ = 810500912. Its totient is φ = 374077332.

The previous prime is 561115993. The next prime is 561116009. The reversal of 561116007 is 700611165.

561116007 is a `hidden beast` number, since 56 + 1 + 1 + 1 + 600 + 7 = 666.

It is not a de Polignac number, because 561116007 - 2¹⁸ = 560853863 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 (561116009) 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 5 ways as a sum of consecutive naturals, for example, 31173103 + ... + 31173120.

Almost surely, 2^561116007 is an apocalyptic number.

561116007 is a deficient number, since it is larger than the sum of its proper divisors (249384905).

561116007 is a wasteful number, since it uses less digits than its factorization.

561116007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62346229 (or 62346226 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 561116007 is about 23687.8873477564. The cubic root of 561116007 is about 824.8042422591.

The spelling of 561116007 in words is "five hundred sixty-one million, one hundred sixteen thousand, seven".