11020201005638 has 16 divisors (see below), whose sum is σ = 18112496975424. Its totient is φ = 4987115390760.

The previous prime is 11020201005637. The next prime is 11020201005659. The reversal of 11020201005638 is 83650010202011.

It is a self number, because there is not a number n which added to its sum of digits gives 11020201005638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020201005637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103339120 + ... + 1103349107.

It is an arithmetic number, because the mean of its divisors is an integer number (1132031060964).

Almost surely, 2^{11020201005638} is an apocalyptic number.

11020201005638 is a deficient number, since it is larger than the sum of its proper divisors (7092295969786).

11020201005638 is a wasteful number, since it uses less digits than its factorization.

11020201005638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206688467.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 11020201005638 its reverse (83650010202011), we get a palindrome (94670211207649).

The spelling of 11020201005638 in words is "eleven trillion, twenty billion, two hundred one million, five thousand, six hundred thirty-eight".