| Base | Representation |
|---|---|
| bin | 10000001010111111111… |
| … | …001100110101100011000 |
| 3 | 10221020111212201210220000 |
| 4 | 100022333321212230120 |
| 5 | 121201441201030240 |
| 6 | 2210311152133000 |
| 7 | 143201400405000 |
| oct | 20127771465430 |
| 9 | 3836455653800 |
| 10 | 1111321111320 |
| 11 | 399343882542 |
| 12 | 15b46b237160 |
| 13 | 80a493b2904 |
| 14 | 3bb06c85000 |
| 15 | 1dd9481e430 |
| hex | 102bfe66b18 |
1111321111320 has 640 divisors, whose sum is σ = 4399577424000. Its totient is φ = 251475840000.
The previous prime is 1111321111297. The next prime is 1111321111331. The reversal of 1111321111320 is 231111231111.
1111321111320 is a `hidden beast` number, since 1 + 1 + 11 + 321 + 1 + 11 + 320 = 666.
It is a super-2 number, since 2×11113211113202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1111321111293 and 1111321111302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 112238370 + ... + 112248270.
It is an arithmetic number, because the mean of its divisors is an integer number (6874339725).
Almost surely, 21111321111320 is an apocalyptic number.
1111321111320 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 1111321111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2199788712000).
1111321111320 is an abundant number, since it is smaller than the sum of its proper divisors (3288256312680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111321111320 is a wasteful number, since it uses less digits than its factorization.
1111321111320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10046 (or 10019 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 18.
Adding to 1111321111320 its reverse (231111231111), we get a palindrome (1342432342431).
The spelling of 1111321111320 in words is "one trillion, one hundred eleven billion, three hundred twenty-one million, one hundred eleven thousand, three hundred twenty".
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