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11291101 is a prime number
BaseRepresentation
bin101011000100…
…100111011101
3210020122110221
4223010213131
510342303401
61042001341
7164654443
oct53044735
923218427
1011291101
116412198
123946251
132454433
1416dcb93
15ed07a1
hexac49dd

11291101 has 2 divisors, whose sum is σ = 11291102. Its totient is φ = 11291100.

The previous prime is 11291053. The next prime is 11291117. The reversal of 11291101 is 10119211.

It is an a-pointer prime, because the next prime (11291117) can be obtained adding 11291101 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5885476 + 5405625 = 2426^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 11291101 - 27 = 11290973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11291131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645550 + 5645551.

It is an arithmetic number, because the mean of its divisors is an integer number (5645551).

Almost surely, 211291101 is an apocalyptic number.

It is an amenable number.

11291101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11291101 is an equidigital number, since it uses as much as digits as its factorization.

11291101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 11291101 is about 3360.2233556715. The cubic root of 11291101 is about 224.3427800870.

The spelling of 11291101 in words is "eleven million, two hundred ninety-one thousand, one hundred one".