11020435506 has 16 divisors (see below), whose sum is σ = 24489856800. Its totient is φ = 3673478484.

The previous prime is 11020435463. The next prime is 11020435511. The reversal of 11020435506 is 60553402011.

11020435506 is a `hidden beast` number, since 1 + 102 + 0 + 4 + 3 + 550 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11020435506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102041016 + ... + 102041123.

It is an arithmetic number, because the mean of its divisors is an integer number (1530616050).

Almost surely, 2^11020435506 is an apocalyptic number.

11020435506 is an abundant number, since it is smaller than the sum of its proper divisors (13469421294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020435506 is a wasteful number, since it uses less digits than its factorization.

11020435506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204082150 (or 204082144 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11020435506 its reverse (60553402011), we get a palindrome (71573837517).

The spelling of 11020435506 in words is "eleven billion, twenty million, four hundred thirty-five thousand, five hundred six".