11055511005120 has 448 divisors, whose sum is σ = 39515774054400. Its totient is φ = 2909292871680.

The previous prime is 11055511005103. The next prime is 11055511005157. The reversal of 11055511005120 is 2150011555011.

It is a happy number.

11055511005120 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 551 + 100 + 5 + 1 + 2 + 0 = 666.

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 63 ways as a sum of consecutive naturals, for example, 1977373525 + ... + 1977379115.

It is an arithmetic number, because the mean of its divisors is an integer number (88204852800).

Almost surely, 2^{11055511005120} is an apocalyptic number.

11055511005120 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 11055511005120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19757887027200).

11055511005120 is an abundant number, since it is smaller than the sum of its proper divisors (28460263049280).

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

11055511005120 is a wasteful number, since it uses less digits than its factorization.

11055511005120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593 (or 8577 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 27.

The spelling of 11055511005120 in words is "eleven trillion, fifty-five billion, five hundred eleven million, five thousand, one hundred twenty".