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11846520211 is a prime number
BaseRepresentation
bin10110000100001101…
…11000110110010011
31010120121022120122211
423002012320312103
5143230202121321
65235304012551
7566365521541
oct130206706623
933517276584
1011846520211
11502a062a79
122367461157
13116a417a96
148054a8d91
154950550e1
hex2c21b8d93

11846520211 has 2 divisors, whose sum is σ = 11846520212. Its totient is φ = 11846520210.

The previous prime is 11846520209. The next prime is 11846520221. The reversal of 11846520211 is 11202564811.

It is a weak prime.

It is an emirp because it is prime and its reverse (11202564811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11846520211 - 21 = 11846520209 is a prime.

It is a super-2 number, since 2×118465202112 (a number of 21 digits) contains 22 as substring.

Together with 11846520209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11846520221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923260105 + 5923260106.

It is an arithmetic number, because the mean of its divisors is an integer number (5923260106).

Almost surely, 211846520211 is an apocalyptic number.

11846520211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11846520211 is an equidigital number, since it uses as much as digits as its factorization.

11846520211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 11846520211 in words is "eleven billion, eight hundred forty-six million, five hundred twenty thousand, two hundred eleven".