Search a number
-
+
11209113079 is a prime number
BaseRepresentation
bin10100111000001110…
…10111110111110111
31001221011220221110021
422130013113313313
5140424013104304
65052134110011
7544525613653
oct123407276767
931834827407
1011209113079
11483228561a
122209aab307
1310983528b8
14784985a63
154590e8a54
hex29c1d7df7

11209113079 has 2 divisors, whose sum is σ = 11209113080. Its totient is φ = 11209113078.

The previous prime is 11209113077. The next prime is 11209113151. The reversal of 11209113079 is 97031190211.

It is a weak prime.

It is an emirp because it is prime and its reverse (97031190211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11209113079 - 21 = 11209113077 is a prime.

Together with 11209113077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11209113077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604556539 + 5604556540.

It is an arithmetic number, because the mean of its divisors is an integer number (5604556540).

Almost surely, 211209113079 is an apocalyptic number.

11209113079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11209113079 is an equidigital number, since it uses as much as digits as its factorization.

11209113079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 34.

The spelling of 11209113079 in words is "eleven billion, two hundred nine million, one hundred thirteen thousand, seventy-nine".