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11806278037 is a prime number
BaseRepresentation
bin10101111111011010…
…11000000110010101
31010110210121001202221
422333231120012111
5143134401344122
65231305302341
7565366464451
oct127755300625
933423531687
1011806278037
115009377484
122355a949b1
131161c97c48
147dddd1661
154917566c7
hex2bfb58195

11806278037 has 2 divisors, whose sum is σ = 11806278038. Its totient is φ = 11806278036.

The previous prime is 11806278019. The next prime is 11806278059. The reversal of 11806278037 is 73087260811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8239919076 + 3566358961 = 90774^2 + 59719^2 .

It is a cyclic number.

It is not a de Polignac number, because 11806278037 - 27 = 11806277909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11806277984 and 11806278002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11806278137) 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, 5903139018 + 5903139019.

It is an arithmetic number, because the mean of its divisors is an integer number (5903139019).

Almost surely, 211806278037 is an apocalyptic number.

It is an amenable number.

11806278037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806278037 is an equidigital number, since it uses as much as digits as its factorization.

11806278037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 11806278037 in words is "eleven billion, eight hundred six million, two hundred seventy-eight thousand, thirty-seven".