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120011860069 is a prime number
BaseRepresentation
bin110111111000101000…
…0111010100001100101
3102110202211111011110021
41233301100322201211
53431241014010234
6131044354355141
711446001656603
oct1576120724145
9373684434407
10120011860069
1146995625832
121b31388bab1
13b4177aa76a
145b46b52873
1531c60499b4
hex1bf143a865

120011860069 has 2 divisors, whose sum is σ = 120011860070. Its totient is φ = 120011860068.

The previous prime is 120011859991. The next prime is 120011860079. The reversal of 120011860069 is 960068110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79000344900 + 41011515169 = 281070^2 + 202513^2 .

It is an emirp because it is prime and its reverse (960068110021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120011860069 - 213 = 120011851877 is a prime.

It is a super-2 number, since 2×1200118600692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011860079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005930034 + 60005930035.

It is an arithmetic number, because the mean of its divisors is an integer number (60005930035).

Almost surely, 2120011860069 is an apocalyptic number.

It is an amenable number.

120011860069 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011860069 is an equidigital number, since it uses as much as digits as its factorization.

120011860069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 120011860069 in words is "one hundred twenty billion, eleven million, eight hundred sixty thousand, sixty-nine".