30561361561332 has 72 divisors (see below), whose sum is σ = 89606114876096. Its totient is φ = 8601491948544.

The previous prime is 30561361561319. The next prime is 30561361561333. The reversal of 30561361561332 is 23316516316503.

30561361561332 is a `hidden beast` number, since 3 + 0 + 5 + 6 + 13 + 6 + 15 + 613 + 3 + 2 = 666.

It is a super-2 number, since 2×30561361561332² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30561361561333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 905022253 + ... + 905056020.

Almost surely, 2^{30561361561332} is an apocalyptic number.

It is an amenable number.

30561361561332 is an abundant number, since it is smaller than the sum of its proper divisors (59044753314764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30561361561332 is a wasteful number, since it uses less digits than its factorization.

30561361561332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810078357 (or 1810078352 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

Adding to 30561361561332 its reverse (23316516316503), we get a palindrome (53877877877835).

The spelling of 30561361561332 in words is "thirty trillion, five hundred sixty-one billion, three hundred sixty-one million, five hundred sixty-one thousand, three hundred thirty-two".