11312207124689 has 2 divisors, whose sum is σ = 11312207124690. Its totient is φ = 11312207124688.

The previous prime is 11312207124649. The next prime is 11312207124697. The reversal of 11312207124689 is 98642170221311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8951866529089 + 2360340595600 = 2991967^2 + 1536340^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312207124689 - 2⁸ = 11312207124433 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312207124649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656103562344 + 5656103562345.

It is an arithmetic number, because the mean of its divisors is an integer number (5656103562345).

Almost surely, 2^{11312207124689} is an apocalyptic number.

It is an amenable number.

11312207124689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312207124689 is an equidigital number, since it uses as much as digits as its factorization.

11312207124689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 11312207124689 in words is "eleven trillion, three hundred twelve billion, two hundred seven million, one hundred twenty-four thousand, six hundred eighty-nine".