11894556077 has 2 divisors, whose sum is σ = 11894556078. Its totient is φ = 11894556076.

The previous prime is 11894556031. The next prime is 11894556119. The reversal of 11894556077 is 77065549811.

11894556077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10776723721 + 1117832356 = 103811^2 + 33434^2 .

It is a cyclic number.

It is not a de Polignac number, because 11894556077 - 2⁶ = 11894556013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11894556677) 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, 5947278038 + 5947278039.

It is an arithmetic number, because the mean of its divisors is an integer number (5947278039).

Almost surely, 2^11894556077 is an apocalyptic number.

It is an amenable number.

11894556077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11894556077 is an equidigital number, since it uses as much as digits as its factorization.

11894556077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 11894556077 in words is "eleven billion, eight hundred ninety-four million, five hundred fifty-six thousand, seventy-seven".