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1000011001111 = 13995315534861
BaseRepresentation
bin11101000110101010100…
…11001110110100010111
310112121012111010100011121
432203111103032310113
5112341010304013421
62043222042144411
7132151130155153
oct16432523166427
93477174110147
101000011001111
1135611415a221
121419857b2107
13733ba64ac85
1436587aac063
151b02c6dad41
hexe8d54ced17

1000011001111 has 16 divisors (see below), whose sum is σ = 1009118990880. Its totient is φ = 990932382720.

The previous prime is 1000011001097. The next prime is 1000011001139. The reversal of 1000011001111 is 1111001100001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000011001111 - 225 = 999977446679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000011001094 and 1000011001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011001181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205718821 + ... + 205723681.

It is an arithmetic number, because the mean of its divisors is an integer number (63069936930).

Almost surely, 21000011001111 is an apocalyptic number.

1000011001111 is a deficient number, since it is larger than the sum of its proper divisors (9107989769).

1000011001111 is a wasteful number, since it uses less digits than its factorization.

1000011001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1000011001111 its reverse (1111001100001), we get a palindrome (2111012101112).

The spelling of 1000011001111 in words is "one trillion, eleven million, one thousand, one hundred eleven".

Divisors: 1 139 953 1553 4861 132467 215867 675679 1480009 4632533 7549133 205721251 643922087 1049329487 7194323749 1000011001111