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10001011001 is a prime number
BaseRepresentation
bin10010101000001101…
…10101000100111001
3221210222122222221212
421110012311010321
5130440224323001
64332220212505
7502556122322
oct112406650471
927728588855
1010001011001
114272345653
121b3139a135
13c34c826b7
146ac347449
153d800c7bb
hex2541b5139

10001011001 has 2 divisors, whose sum is σ = 10001011002. Its totient is φ = 10001011000.

The previous prime is 10001010997. The next prime is 10001011037. The reversal of 10001011001 is 10011010001.

Adding to 10001011001 its reverse (10011010001), we get a palindrome (20012021002).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5428005625 + 4573005376 = 73675^2 + 67624^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001011001 - 22 = 10001010997 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001011301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000505500 + 5000505501.

It is an arithmetic number, because the mean of its divisors is an integer number (5000505501).

Almost surely, 210001011001 is an apocalyptic number.

It is an amenable number.

10001011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001011001 is an equidigital number, since it uses as much as digits as its factorization.

10001011001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 5.

The spelling of 10001011001 in words is "ten billion, one million, eleven thousand, one".