Search a number
-
+
111205404119 is a prime number
BaseRepresentation
bin110011110010001011…
…0111100110111010111
3101122001002120211222002
41213210112330313113
53310222040412434
6123030445425515
711014526224115
oct1474426746727
9348032524862
10111205404119
1143186608067
121967656b29b
13a643164094
14554d31cab5
152d5cd4e57e
hex19e45bcdd7

111205404119 has 2 divisors, whose sum is σ = 111205404120. Its totient is φ = 111205404118.

The previous prime is 111205404091. The next prime is 111205404203. The reversal of 111205404119 is 911404502111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111205404119 - 28 = 111205403863 is a prime.

It is a super-2 number, since 2×1112054041192 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 111205404091 and 111205404100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111205404419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602702059 + 55602702060.

It is an arithmetic number, because the mean of its divisors is an integer number (55602702060).

Almost surely, 2111205404119 is an apocalyptic number.

111205404119 is a deficient number, since it is larger than the sum of its proper divisors (1).

111205404119 is an equidigital number, since it uses as much as digits as its factorization.

111205404119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 111205404119 in words is "one hundred eleven billion, two hundred five million, four hundred four thousand, one hundred nineteen".