5561064960000 has 520 divisors, whose sum is σ = 20213422684224. Its totient is φ = 1348116480000.

The previous prime is 5561064959959. The next prime is 5561064960023. The reversal of 5561064960000 is 694601655.

It is a super-3 number, since 3×5561064960000³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 84447087 + ... + 84512913.

Almost surely, 2^{5561064960000} is an apocalyptic number.

5561064960000 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 5561064960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10106711342112).

5561064960000 is an abundant number, since it is smaller than the sum of its proper divisors (14652357724224).

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

5561064960000 is an equidigital number, since it uses as much as digits as its factorization.

5561064960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65885 (or 65848 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 5561064960000 in words is "five trillion, five hundred sixty-one billion, sixty-four million, nine hundred sixty thousand".