11020420563560 has 32 divisors (see below), whose sum is σ = 24797670820200. Its totient is φ = 4407861638400.

The previous prime is 11020420563557. The next prime is 11020420563571. The reversal of 11020420563560 is 6536502402011.

It can be written as a sum of positive squares in 4 ways, for example, as 8975812273156 + 2044608290404 = 2995966^2 + 1429898^2 .

It is a super-2 number, since 2×11020420563560² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11020420563560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8998091 + ... + 10149210.

Almost surely, 2^{11020420563560} is an apocalyptic number.

11020420563560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020420563560 is an abundant number, since it is smaller than the sum of its proper divisors (13777250256640).

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

11020420563560 is a wasteful number, since it uses less digits than its factorization.

11020420563560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19161701 (or 19161697 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 11020420563560 its reverse (6536502402011), we get a palindrome (17556922965571).

The spelling of 11020420563560 in words is "eleven trillion, twenty billion, four hundred twenty million, five hundred sixty-three thousand, five hundred sixty".