561361405134532 has 12 divisors (see below), whose sum is σ = 998487089461036. Its totient is φ = 276079379574240.

The previous prime is 561361405134529. The next prime is 561361405134539. The reversal of 561361405134532 is 235431504163165.

It can be written as a sum of positive squares in 2 ways, for example, as 141507535741636 + 419853869392896 = 11895694^2 + 20490336^2 .

It is not an unprimeable number, because it can be changed into a prime (561361405134539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150330747983 + ... + 1150330748470.

Almost surely, 2^{561361405134532} is an apocalyptic number.

It is an amenable number.

561361405134532 is a deficient number, since it is larger than the sum of its proper divisors (437125684326504).

561361405134532 is a wasteful number, since it uses less digits than its factorization.

561361405134532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300661496518 (or 2300661496516 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 49.

Adding to 561361405134532 its reverse (235431504163165), we get a palindrome (796792909297697).

The spelling of 561361405134532 in words is "five hundred sixty-one trillion, three hundred sixty-one billion, four hundred five million, one hundred thirty-four thousand, five hundred thirty-two".