10767144080821 has 2 divisors, whose sum is σ = 10767144080822. Its totient is φ = 10767144080820.

The previous prime is 10767144080807. The next prime is 10767144080843. The reversal of 10767144080821 is 12808044176701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6039237440196 + 4727906640625 = 2457486^2 + 2174375^2 .

It is a cyclic number.

It is not a de Polignac number, because 10767144080821 - 2¹¹ = 10767144078773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10767144080221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5383572040410 + 5383572040411.

It is an arithmetic number, because the mean of its divisors is an integer number (5383572040411).

Almost surely, 2^{10767144080821} is an apocalyptic number.

It is an amenable number.

10767144080821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10767144080821 is an equidigital number, since it uses as much as digits as its factorization.

10767144080821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 10767144080821 in words is "ten trillion, seven hundred sixty-seven billion, one hundred forty-four million, eighty thousand, eight hundred twenty-one".