11536491466777 has 2 divisors, whose sum is σ = 11536491466778. Its totient is φ = 11536491466776.

The previous prime is 11536491466699. The next prime is 11536491466781. The reversal of 11536491466777 is 77766419463511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7978077053401 + 3558414413376 = 2824549^2 + 1886376^2 .

It is an emirp because it is prime and its reverse (77766419463511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11536491466777 is a prime.

It is not a weakly prime, because it can be changed into another prime (11536491461777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768245733388 + 5768245733389.

It is an arithmetic number, because the mean of its divisors is an integer number (5768245733389).

Almost surely, 2^{11536491466777} is an apocalyptic number.

It is an amenable number.

11536491466777 is a deficient number, since it is larger than the sum of its proper divisors (1).

11536491466777 is an equidigital number, since it uses as much as digits as its factorization.

11536491466777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160030080, while the sum is 67.

The spelling of 11536491466777 in words is "eleven trillion, five hundred thirty-six billion, four hundred ninety-one million, four hundred sixty-six thousand, seven hundred seventy-seven".