3561361710420 has 192 divisors, whose sum is σ = 10430578851840. Its totient is φ = 906835737600.

The previous prime is 3561361710367. The next prime is 3561361710443. The reversal of 3561361710420 is 240171631653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252876699 + ... + 252890781.

It is an arithmetic number, because the mean of its divisors is an integer number (54325931520).

Almost surely, 2^{3561361710420} is an apocalyptic number.

3561361710420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3561361710420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5215289425920).

3561361710420 is an abundant number, since it is smaller than the sum of its proper divisors (6869217141420).

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

3561361710420 is a wasteful number, since it uses less digits than its factorization.

3561361710420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15926 (or 15924 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 3561361710420 in words is "three trillion, five hundred sixty-one billion, three hundred sixty-one million, seven hundred ten thousand, four hundred twenty".