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11066111 = 72225839
BaseRepresentation
bin101010001101…
…101011111111
3202211012211222
4222031223333
510313103421
61033103555
7163026500
oct52155377
922735758
1011066111
116279151
123857bbb
1323a5bc4
141680ba7
15e88cab
hexa8daff

11066111 has 6 divisors (see below), whose sum is σ = 12872880. Its totient is φ = 9485196.

The previous prime is 11066089. The next prime is 11066117. The reversal of 11066111 is 11166011.

It is not a de Polignac number, because 11066111 - 218 = 10803967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11066111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112871 + ... + 112968.

It is an arithmetic number, because the mean of its divisors is an integer number (2145480).

Almost surely, 211066111 is an apocalyptic number.

11066111 is a deficient number, since it is larger than the sum of its proper divisors (1806769).

11066111 is an equidigital number, since it uses as much as digits as its factorization.

11066111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225853 (or 225846 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 11066111 is about 3326.5764683831. The cubic root of 11066111 is about 222.8426635227.

The spelling of 11066111 in words is "eleven million, sixty-six thousand, one hundred eleven".

Divisors: 1 7 49 225839 1580873 11066111