1055110505560 has 128 divisors (see below), whose sum is σ = 2468428185600. Its totient is φ = 405459924480.

The previous prime is 1055110505509. The next prime is 1055110505593. The reversal of 1055110505560 is 655050115501.

It is a super-2 number, since 2×1055110505560² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323751211 + ... + 323754469.

It is an arithmetic number, because the mean of its divisors is an integer number (19284595200).

Almost surely, 2^{1055110505560} is an apocalyptic number.

1055110505560 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 1055110505560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234214092800).

1055110505560 is an abundant number, since it is smaller than the sum of its proper divisors (1413317680040).

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

1055110505560 is a wasteful number, since it uses less digits than its factorization.

1055110505560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5117 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 1055110505560 in words is "one trillion, fifty-five billion, one hundred ten million, five hundred five thousand, five hundred sixty".