11010320020505 has 16 divisors (see below), whose sum is σ = 14977601325120. Its totient is φ = 7702766394048.

The previous prime is 11010320020499. The next prime is 11010320020561. The reversal of 11010320020505 is 50502002301011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11010320020505 - 2¹⁰ = 11010320019481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4457618207 + ... + 4457620676.

It is an arithmetic number, because the mean of its divisors is an integer number (936100082820).

Almost surely, 2^{11010320020505} is an apocalyptic number.

It is an amenable number.

11010320020505 is a deficient number, since it is larger than the sum of its proper divisors (3967281304615).

11010320020505 is a wasteful number, since it uses less digits than its factorization.

11010320020505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915238920.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 11010320020505 its reverse (50502002301011), we get a palindrome (61512322321516).

The spelling of 11010320020505 in words is "eleven trillion, ten billion, three hundred twenty million, twenty thousand, five hundred five".