5521521600000 has 2880 divisors, whose sum is σ = 25394349657600. Its totient is φ = 1157068800000.

The previous prime is 5521521599987. The next prime is 5521521600137. The reversal of 5521521600000 is 61251255.

5521521600000 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 52 + 1 + 600 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 178113599985 + ... + 178113600015.

It is an arithmetic number, because the mean of its divisors is an integer number (8817482520).

Almost surely, 2^{5521521600000} is an apocalyptic number.

5521521600000 is a gapful number since it is divisible by the number (50) 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 5521521600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12697174828800).

5521521600000 is an abundant number, since it is smaller than the sum of its proper divisors (19872828057600).

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

5521521600000 is an frugal number, since it uses more digits than its factorization.

5521521600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 5521521600000 its reverse (61251255), we get a palindrome (5521582851255).

The spelling of 5521521600000 in words is "five trillion, five hundred twenty-one billion, five hundred twenty-one million, six hundred thousand".