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5161055651291 is a prime number
BaseRepresentation
bin100101100011010011011…
…1000111000010111011011
3200021101120211201220202002
41023012212320320113123
51134024320221320131
614550542314031215
71041605525131661
oct113064670702733
920241524656662
105161055651291
11170a878404101
126b42b711850b
132b58bac54807
1413bb21572c31
158e3b6bd46cb
hex4b1a6e385db

5161055651291 has 2 divisors, whose sum is σ = 5161055651292. Its totient is φ = 5161055651290.

The previous prime is 5161055651123. The next prime is 5161055651329. The reversal of 5161055651291 is 1921565501615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5161055651291 - 234 = 5143875782107 is a prime.

It is not a weakly prime, because it can be changed into another prime (5161055651491) 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, 2580527825645 + 2580527825646.

It is an arithmetic number, because the mean of its divisors is an integer number (2580527825646).

Almost surely, 25161055651291 is an apocalyptic number.

5161055651291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161055651291 is an equidigital number, since it uses as much as digits as its factorization.

5161055651291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 47.

The spelling of 5161055651291 in words is "five trillion, one hundred sixty-one billion, fifty-five million, six hundred fifty-one thousand, two hundred ninety-one".