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61060111061 is a prime number
BaseRepresentation
bin111000110111011101…
…110101101011010101
312211121101101000201212
4320313131311223111
52000022342023221
644014534031205
74261061244335
oct706735655325
9184541330655
1061060111061
1123993928204
12ba00aa8505
1359b1282a41
142d535ab0c5
1518c5859b5b
hexe37775ad5

61060111061 has 2 divisors, whose sum is σ = 61060111062. Its totient is φ = 61060111060.

The previous prime is 61060111037. The next prime is 61060111109. The reversal of 61060111061 is 16011106016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46777470961 + 14282640100 = 216281^2 + 119510^2 .

It is a cyclic number.

It is not a de Polignac number, because 61060111061 - 214 = 61060094677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61060111361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530055530 + 30530055531.

It is an arithmetic number, because the mean of its divisors is an integer number (30530055531).

Almost surely, 261060111061 is an apocalyptic number.

It is an amenable number.

61060111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

61060111061 is an equidigital number, since it uses as much as digits as its factorization.

61060111061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 61060111061 its reverse (16011106016), we get a palindrome (77071217077).

The spelling of 61060111061 in words is "sixty-one billion, sixty million, one hundred eleven thousand, sixty-one".