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41271121081 is a prime number
BaseRepresentation
bin100110011011111100…
…110101010010111001
310221112020220011211001
4212123330311102321
51134010401333311
630543143205001
72660510512111
oct463374652271
9127466804731
1041271121081
1116559521133
127bb9746761
133b79518908
141dd7332041
1511183c04c1
hex99bf354b9

41271121081 has 2 divisors, whose sum is σ = 41271121082. Its totient is φ = 41271121080.

The previous prime is 41271121063. The next prime is 41271121123. The reversal of 41271121081 is 18012117214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40585728681 + 685392400 = 201459^2 + 26180^2 .

It is a cyclic number.

It is not a de Polignac number, because 41271121081 - 25 = 41271121049 is a prime.

It is a super-2 number, since 2×412711210812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41271121781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20635560540 + 20635560541.

It is an arithmetic number, because the mean of its divisors is an integer number (20635560541).

Almost surely, 241271121081 is an apocalyptic number.

It is an amenable number.

41271121081 is a deficient number, since it is larger than the sum of its proper divisors (1).

41271121081 is an equidigital number, since it uses as much as digits as its factorization.

41271121081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 41271121081 its reverse (18012117214), we get a palindrome (59283238295).

The spelling of 41271121081 in words is "forty-one billion, two hundred seventy-one million, one hundred twenty-one thousand, eighty-one".