11328538662761 has 2 divisors, whose sum is σ = 11328538662762. Its totient is φ = 11328538662760.

The previous prime is 11328538662739. The next prime is 11328538662797. The reversal of 11328538662761 is 16726683582311.

11328538662761 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., 7503654918400 + 3824883744361 = 2739280^2 + 1955731^2 .

It is a cyclic number.

It is not a de Polignac number, because 11328538662761 - 2⁶ = 11328538662697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11328538662761.

It is not a weakly prime, because it can be changed into another prime (11328538602761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664269331380 + 5664269331381.

It is an arithmetic number, because the mean of its divisors is an integer number (5664269331381).

Almost surely, 2^{11328538662761} is an apocalyptic number.

It is an amenable number.

11328538662761 is a deficient number, since it is larger than the sum of its proper divisors (1).

11328538662761 is an equidigital number, since it uses as much as digits as its factorization.

11328538662761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 59.

The spelling of 11328538662761 in words is "eleven trillion, three hundred twenty-eight billion, five hundred thirty-eight million, six hundred sixty-two thousand, seven hundred sixty-one".