11774510977 has 2 divisors, whose sum is σ = 11774510978. Its totient is φ = 11774510976.

The previous prime is 11774510971. The next prime is 11774510987. The reversal of 11774510977 is 77901547711.

11774510977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10014205041 + 1760305936 = 100071^2 + 41956^2 .

It is a cyclic number.

It is not a de Polignac number, because 11774510977 - 2⁷ = 11774510849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11774510977.

It is not a weakly prime, because it can be changed into another prime (11774510971) 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, 5887255488 + 5887255489.

It is an arithmetic number, because the mean of its divisors is an integer number (5887255489).

Almost surely, 2^11774510977 is an apocalyptic number.

It is an amenable number.

11774510977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11774510977 is an equidigital number, since it uses as much as digits as its factorization.

11774510977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432180, while the sum is 49.

It can be divided in two parts, 1177 and 4510977, that added together give a palindrome (4512154).

The spelling of 11774510977 in words is "eleven billion, seven hundred seventy-four million, five hundred ten thousand, nine hundred seventy-seven".