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115056605161 is a prime number
BaseRepresentation
bin110101100100111101…
…0000111011111101001
3101222222111022010121201
41223021322013133221
53341113442331121
6124504542204201
711212132002361
oct1531172073751
9358874263551
10115056605161
11448824aa443
121a370283661
13ab07cb7474
1457d69bb9a1
152ed5ed0e91
hex1ac9e877e9

115056605161 has 2 divisors, whose sum is σ = 115056605162. Its totient is φ = 115056605160.

The previous prime is 115056605113. The next prime is 115056605171. The reversal of 115056605161 is 161506650511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88472933136 + 26583672025 = 297444^2 + 163045^2 .

It is a cyclic number.

It is not a de Polignac number, because 115056605161 - 211 = 115056603113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115056605161.

It is not a weakly prime, because it can be changed into another prime (115056605171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57528302580 + 57528302581.

It is an arithmetic number, because the mean of its divisors is an integer number (57528302581).

Almost surely, 2115056605161 is an apocalyptic number.

It is an amenable number.

115056605161 is a deficient number, since it is larger than the sum of its proper divisors (1).

115056605161 is an equidigital number, since it uses as much as digits as its factorization.

115056605161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 115056605161 in words is "one hundred fifteen billion, fifty-six million, six hundred five thousand, one hundred sixty-one".