Search a number
-
+
26111196191 is a prime number
BaseRepresentation
bin11000010100010110…
…010011110000011111
32111101201211012102102
4120110112103300133
5411433431234231
615554553315315
71613026335263
oct302426236037
974351735372
1026111196191
111008a0a9193
125088705b3b
132601807362
141399b9c0a3
15a2c51aacb
hex614593c1f

26111196191 has 2 divisors, whose sum is σ = 26111196192. Its totient is φ = 26111196190.

The previous prime is 26111196151. The next prime is 26111196193. The reversal of 26111196191 is 19169111162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26111196191 - 26 = 26111196127 is a prime.

Together with 26111196193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26111196193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13055598095 + 13055598096.

It is an arithmetic number, because the mean of its divisors is an integer number (13055598096).

Almost surely, 226111196191 is an apocalyptic number.

26111196191 is a deficient number, since it is larger than the sum of its proper divisors (1).

26111196191 is an equidigital number, since it uses as much as digits as its factorization.

26111196191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 38.

The spelling of 26111196191 in words is "twenty-six billion, one hundred eleven million, one hundred ninety-six thousand, one hundred ninety-one".