11048547865871 has 2 divisors, whose sum is σ = 11048547865872. Its totient is φ = 11048547865870.

The previous prime is 11048547865853. The next prime is 11048547865973. The reversal of 11048547865871 is 17856874584011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11048547865871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11048547865798 and 11048547865807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11048547865571) 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, 5524273932935 + 5524273932936.

It is an arithmetic number, because the mean of its divisors is an integer number (5524273932936).

Almost surely, 2^{11048547865871} is an apocalyptic number.

11048547865871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11048547865871 is an equidigital number, since it uses as much as digits as its factorization.

11048547865871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60211200, while the sum is 65.

The spelling of 11048547865871 in words is "eleven trillion, forty-eight billion, five hundred forty-seven million, eight hundred sixty-five thousand, eight hundred seventy-one".