11055405123120 has 160 divisors (see below), whose sum is σ = 34785454302720. Its totient is φ = 2904247490560.

The previous prime is 11055405123101. The next prime is 11055405123233. The reversal of 11055405123120 is 2132150455011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3023941 + ... + 5590619.

It is an arithmetic number, because the mean of its divisors is an integer number (217409089392).

Almost surely, 2^{11055405123120} is an apocalyptic number.

11055405123120 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 11055405123120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17392727151360).

11055405123120 is an abundant number, since it is smaller than the sum of its proper divisors (23730049179600).

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

11055405123120 is a wasteful number, since it uses less digits than its factorization.

11055405123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566963 (or 2566957 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 11055405123120 its reverse (2132150455011), we get a palindrome (13187555578131).

The spelling of 11055405123120 in words is "eleven trillion, fifty-five billion, four hundred five million, one hundred twenty-three thousand, one hundred twenty".