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20411440111 is a prime number
BaseRepresentation
bin10011000000100111…
…011101101111101111
31221200111201120222101
4103000213131233233
5313300312040421
613213223555531
71321546243516
oct230047355757
957614646871
1020411440111
1187247a9077
123b578bbba7
131c039c341a
14db8bc767d
157e6e3e191
hex4c09ddbef

20411440111 has 2 divisors, whose sum is σ = 20411440112. Its totient is φ = 20411440110.

The previous prime is 20411440097. The next prime is 20411440139. The reversal of 20411440111 is 11104411402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20411440111 - 229 = 19874569199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20411440141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205720055 + 10205720056.

It is an arithmetic number, because the mean of its divisors is an integer number (10205720056).

Almost surely, 220411440111 is an apocalyptic number.

20411440111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411440111 is an equidigital number, since it uses as much as digits as its factorization.

20411440111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20411440111 its reverse (11104411402), we get a palindrome (31515851513).

The spelling of 20411440111 in words is "twenty billion, four hundred eleven million, four hundred forty thousand, one hundred eleven".