1105520064000 has 1280 divisors, whose sum is σ = 4354929266688. Its totient is φ = 245760000000.

The previous prime is 1105520063987. The next prime is 1105520064007. The reversal of 1105520064000 is 4600255011.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a super-2 number, since 2×1105520064000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105520064007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1472063625 + ... + 1472064375.

Almost surely, 2^{1105520064000} is an apocalyptic number.

1105520064000 is a gapful number since it is divisible by the number (10) 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 1105520064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177464633344).

1105520064000 is an abundant number, since it is smaller than the sum of its proper divisors (3249409202688).

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

1105520064000 is a wasteful number, since it uses less digits than its factorization.

1105520064000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 1105520064000 in words is "one trillion, one hundred five billion, five hundred twenty million, sixty-four thousand".