5673111561 has 128 divisors (see below), whose sum is σ = 9919078400. Its totient is φ = 3174474240.

The previous prime is 5673111533. The next prime is 5673111589. The reversal of 5673111561 is 1651113765.

5673111561 is a `hidden beast` number, since 5 + 67 + 31 + 1 + 1 + 561 = 666.

5673111561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5673111533) and next prime (5673111589).

It is not a de Polignac number, because 5673111561 - 2¹⁵ = 5673078793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5673111061) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 20933856 + ... + 20934126.

It is an arithmetic number, because the mean of its divisors is an integer number (77492800).

Almost surely, 2^5673111561 is an apocalyptic number.

It is an amenable number.

5673111561 is a deficient number, since it is larger than the sum of its proper divisors (4245966839).

5673111561 is a wasteful number, since it uses less digits than its factorization.

5673111561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 422 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 5673111561 is about 75320.0608138363. The cubic root of 5673111561 is about 1783.5027144636.

The spelling of 5673111561 in words is "five billion, six hundred seventy-three million, one hundred eleven thousand, five hundred sixty-one".