11081782785653 has 2 divisors, whose sum is σ = 11081782785654. Its totient is φ = 11081782785652.

The previous prime is 11081782785637. The next prime is 11081782785701. The reversal of 11081782785653 is 35658728718011.

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., 5788364433604 + 5293418352049 = 2405902^2 + 2300743^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081782785653 - 2⁴ = 11081782785637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11081782785553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5540891392826 + 5540891392827.

It is an arithmetic number, because the mean of its divisors is an integer number (5540891392827).

Almost surely, 2^{11081782785653} is an apocalyptic number.

It is an amenable number.

11081782785653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11081782785653 is an equidigital number, since it uses as much as digits as its factorization.

11081782785653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22579200, while the sum is 62.

The spelling of 11081782785653 in words is "eleven trillion, eighty-one billion, seven hundred eighty-two million, seven hundred eighty-five thousand, six hundred fifty-three".