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BaseRepresentation
bin1010001101111100000001…
…1011000001100101011001
31110210000101100022222120012
42203133000123001211121
52433031343323221024
635521031133211305
72236446030404054
oct243370033014531
943700340288505
1011234567788889
11364160a6a5585
121315402030b35
13636552258083
142aba825b5a9b
1514738478650e
hexa37c06c1959

11234567788889 has 2 divisors, whose sum is σ = 11234567788890. Its totient is φ = 11234567788888.

The previous prime is 11234567788877. The next prime is 11234567788949. The reversal of 11234567788889 is 98888776543211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8298622617289 + 2935945171600 = 2880733^2 + 1713460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11234567788889 - 236 = 11165848312153 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11234567788849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617283894444 + 5617283894445.

It is an arithmetic number, because the mean of its divisors is an integer number (5617283894445).

Almost surely, 211234567788889 is an apocalyptic number.

It is an amenable number.

11234567788889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11234567788889 is an equidigital number, since it uses as much as digits as its factorization.

11234567788889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1300561920, while the sum is 77.

The spelling of 11234567788889 in words is "eleven trillion, two hundred thirty-four billion, five hundred sixty-seven million, seven hundred eighty-eight thousand, eight hundred eighty-nine".