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1118888888111 is a prime number
BaseRepresentation
bin10000010010000010111…
…110011000011100101111
310221222001021211201000022
4100102002332120130233
5121312441023404421
62214002131552355
7143560052425121
oct20220276303457
93858037751008
101118888888111
113a1577676225
12160a2175b6bb
1381684211547
143c223d9b211
151e188ddd7ab
hex10482f9872f

1118888888111 has 2 divisors, whose sum is σ = 1118888888112. Its totient is φ = 1118888888110.

The previous prime is 1118888888083. The next prime is 1118888888113.

1118888888111 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1118888888111 is a prime.

Together with 1118888888113, it forms a pair of twin primes.

It is a Chen prime.

1118888888111 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118888888113) 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 as a sum of consecutive naturals, namely, 559444444055 + 559444444056.

It is an arithmetic number, because the mean of its divisors is an integer number (559444444056).

Almost surely, 21118888888111 is an apocalyptic number.

1118888888111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118888888111 is an equidigital number, since it uses as much as digits as its factorization.

1118888888111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2097152, while the sum is 62.

The spelling of 1118888888111 in words is "one trillion, one hundred eighteen billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, one hundred eleven".