11020211613 has 96 divisors (see below), whose sum is σ = 17435658240. Its totient is φ = 6692474880.

The previous prime is 11020211611. The next prime is 11020211617. The reversal of 11020211613 is 31611202011.

11020211613 is a `hidden beast` number, since 1 + 10 + 20 + 21 + 1 + 613 = 666.

11020211613 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 11020211613 - 2¹ = 11020211611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020211611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57697348 + ... + 57697538.

It is an arithmetic number, because the mean of its divisors is an integer number (181621440).

Almost surely, 2^11020211613 is an apocalyptic number.

It is an amenable number.

11020211613 is a deficient number, since it is larger than the sum of its proper divisors (6415446627).

11020211613 is a wasteful number, since it uses less digits than its factorization.

11020211613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11020211613 its reverse (31611202011), we get a palindrome (42631413624).

The spelling of 11020211613 in words is "eleven billion, twenty million, two hundred eleven thousand, six hundred thirteen".