11081782785655 has 8 divisors (see below), whose sum is σ = 13299639806592. Its totient is φ = 8864425919328.

The previous prime is 11081782785653. The next prime is 11081782785701. The reversal of 11081782785655 is 55658728718011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11081782785655 - 2¹ = 11081782785653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081782785653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124989904 + ... + 125078533.

It is an arithmetic number, because the mean of its divisors is an integer number (1662454975824).

Almost surely, 2^{11081782785655} is an apocalyptic number.

11081782785655 is a deficient number, since it is larger than the sum of its proper divisors (2217857020937).

11081782785655 is an equidigital number, since it uses as much as digits as its factorization.

11081782785655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250077305.

The product of its (nonzero) digits is 37632000, while the sum is 64.

The spelling of 11081782785655 in words is "eleven trillion, eighty-one billion, seven hundred eighty-two million, seven hundred eighty-five thousand, six hundred fifty-five".