5661211034430 has 576 divisors, whose sum is σ = 18463880897280. Its totient is φ = 1195587993600.

The previous prime is 5661211034417. The next prime is 5661211034431. The reversal of 5661211034430 is 344301121665.

5661211034430 is a `hidden beast` number, since 5 + 6 + 6 + 1 + 211 + 0 + 3 + 4 + 430 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661211034431) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1071993390 + ... + 1071998670.

It is an arithmetic number, because the mean of its divisors is an integer number (32055348780).

Almost surely, 2^{5661211034430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5661211034430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9231940448640).

5661211034430 is an abundant number, since it is smaller than the sum of its proper divisors (12802669862850).

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

5661211034430 is a wasteful number, since it uses less digits than its factorization.

5661211034430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585 (or 5575 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 5661211034430 in words is "five trillion, six hundred sixty-one billion, two hundred eleven million, thirty-four thousand, four hundred thirty".