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11112443321 = 76787727017
BaseRepresentation
bin10100101100101101…
…00110110110111001
31001200110000121110212
422112112212312321
5140224241141241
65034402120505
7542243131640
oct122626466671
931613017425
1011112443321
114792759161
1221a1650135
131081306b65
14775bc0357
154508a0beb
hex2965a6db9

11112443321 has 16 divisors (see below), whose sum is σ = 12904661376. Its totient is φ = 9371742336.

The previous prime is 11112443317. The next prime is 11112443347. The reversal of 11112443321 is 12334421111.

It is a cyclic number.

It is not a de Polignac number, because 11112443321 - 22 = 11112443317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11112443351) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 397805 + ... + 424821.

It is an arithmetic number, because the mean of its divisors is an integer number (806541336).

Almost surely, 211112443321 is an apocalyptic number.

It is an amenable number.

11112443321 is a deficient number, since it is larger than the sum of its proper divisors (1792218055).

11112443321 is an equidigital number, since it uses as much as digits as its factorization.

11112443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27968.

The product of its digits is 576, while the sum is 23.

Adding to 11112443321 its reverse (12334421111), we get a palindrome (23446864432).

The spelling of 11112443321 in words is "eleven billion, one hundred twelve million, four hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 7 67 469 877 6139 27017 58759 189119 411313 1810139 12670973 23693909 165857363 1587491903 11112443321