11063845927681 has 2 divisors, whose sum is σ = 11063845927682. Its totient is φ = 11063845927680.

The previous prime is 11063845927669. The next prime is 11063845927709. The reversal of 11063845927681 is 18672954836011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7338112121025 + 3725733806656 = 2708895^2 + 1930216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11063845927681 is a prime.

It is a super-2 number, since 2×11063845927681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11063849927681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531922963840 + 5531922963841.

It is an arithmetic number, because the mean of its divisors is an integer number (5531922963841).

It is a 1-persistent number, because it is pandigital, but 2⋅11063845927681 = 22127691855362 is not.

Almost surely, 2^{11063845927681} is an apocalyptic number.

It is an amenable number.

11063845927681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11063845927681 is an equidigital number, since it uses as much as digits as its factorization.

11063845927681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 11063845927681 in words is "eleven trillion, sixty-three billion, eight hundred forty-five million, nine hundred twenty-seven thousand, six hundred eighty-one".