11386123765897 has 2 divisors, whose sum is σ = 11386123765898. Its totient is φ = 11386123765896.

The previous prime is 11386123765879. The next prime is 11386123765931. The reversal of 11386123765897 is 79856732168311.

Together with previous prime (11386123765879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11383747788361 + 2375977536 = 3373981^2 + 48744^2 .

It is a cyclic number.

It is not a de Polignac number, because 11386123765897 - 2¹¹ = 11386123763849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11386123763897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693061882948 + 5693061882949.

It is an arithmetic number, because the mean of its divisors is an integer number (5693061882949).

Almost surely, 2^{11386123765897} is an apocalyptic number.

It is an amenable number.

11386123765897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11386123765897 is an equidigital number, since it uses as much as digits as its factorization.

11386123765897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 67.

The spelling of 11386123765897 in words is "eleven trillion, three hundred eighty-six billion, one hundred twenty-three million, seven hundred sixty-five thousand, eight hundred ninety-seven".