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11011009873 is a prime number
BaseRepresentation
bin10100100000100111…
…01010110101010001
31001102101011020221111
422100103222311101
5140022304303443
65020340053321
7536602016413
oct122023526521
931371136844
1011011009873
114740478766
122173694241
1310662b0a76
147665389b3
15446a1669d
hex2904ead51

11011009873 has 2 divisors, whose sum is σ = 11011009874. Its totient is φ = 11011009872.

The previous prime is 11011009861. The next prime is 11011009879. The reversal of 11011009873 is 37890011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7738369024 + 3272640849 = 87968^2 + 57207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11011009873 is a prime.

It is a super-2 number, since 2×110110098732 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11011009879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505504936 + 5505504937.

It is an arithmetic number, because the mean of its divisors is an integer number (5505504937).

Almost surely, 211011009873 is an apocalyptic number.

It is an amenable number.

11011009873 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011009873 is an equidigital number, since it uses as much as digits as its factorization.

11011009873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 11011009873 in words is "eleven billion, eleven million, nine thousand, eight hundred seventy-three".