561667283331 has 48 divisors (see below), whose sum is σ = 950949331200. Its totient is φ = 291592297920.

The previous prime is 561667283293. The next prime is 561667283347. The reversal of 561667283331 is 133382766165.

It is not a de Polignac number, because 561667283331 - 2⁶ = 561667283267 is a prime.

It is a super-2 number, since 2×561667283331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561667283231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2490445 + ... + 2706593.

It is an arithmetic number, because the mean of its divisors is an integer number (19811444400).

Almost surely, 2^561667283331 is an apocalyptic number.

561667283331 is a deficient number, since it is larger than the sum of its proper divisors (389282047869).

561667283331 is a wasteful number, since it uses less digits than its factorization.

561667283331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217784 (or 217777 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 561667283331 in words is "five hundred sixty-one billion, six hundred sixty-seven million, two hundred eighty-three thousand, three hundred thirty-one".