11020320306513 has 24 divisors (see below), whose sum is σ = 18535525265088. Its totient is φ = 6178508417952.

The previous prime is 11020320306497. The next prime is 11020320306563. The reversal of 11020320306513 is 31560302302011.

11020320306513 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 0 + 3 + 2 + 0 + 3 + 0 + 651 + 3 = 666.

11020320306513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11020320306513 - 2⁴ = 11020320306497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020320306563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1650239295 + ... + 1650245972.

It is an arithmetic number, because the mean of its divisors is an integer number (772313552712).

Almost surely, 2^{11020320306513} is an apocalyptic number.

It is an amenable number.

11020320306513 is a deficient number, since it is larger than the sum of its proper divisors (7515204958575).

11020320306513 is a wasteful number, since it uses less digits than its factorization.

11020320306513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300485333 (or 3300485330 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 11020320306513 its reverse (31560302302011), we get a palindrome (42580622608524).

The spelling of 11020320306513 in words is "eleven trillion, twenty billion, three hundred twenty million, three hundred six thousand, five hundred thirteen".