11745824777 has 2 divisors, whose sum is σ = 11745824778. Its totient is φ = 11745824776.

The previous prime is 11745824749. The next prime is 11745824803. The reversal of 11745824777 is 77742854711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10185653776 + 1560171001 = 100924^2 + 39499^2 .

It is a cyclic number.

It is not a de Polignac number, because 11745824777 - 2¹⁶ = 11745759241 is a prime.

It is not a weakly prime, because it can be changed into another prime (11745824477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5872912388 + 5872912389.

It is an arithmetic number, because the mean of its divisors is an integer number (5872912389).

Almost surely, 2^11745824777 is an apocalyptic number.

It is an amenable number.

11745824777 is a deficient number, since it is larger than the sum of its proper divisors (1).

11745824777 is an equidigital number, since it uses as much as digits as its factorization.

11745824777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3073280, while the sum is 53.

The spelling of 11745824777 in words is "eleven billion, seven hundred forty-five million, eight hundred twenty-four thousand, seven hundred seventy-seven".