1105622210561 has 16 divisors (see below), whose sum is σ = 1223562349248. Its totient is φ = 998944578720.

The previous prime is 1105622210527. The next prime is 1105622210599. The reversal of 1105622210561 is 1650122265011.

It is a de Polignac number, because none of the positive numbers 2^k-1105622210561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105622215561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331116 + ... + 2765021.

It is an arithmetic number, because the mean of its divisors is an integer number (76472646828).

Almost surely, 2^{1105622210561} is an apocalyptic number.

1105622210561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1105622210561 is a deficient number, since it is larger than the sum of its proper divisors (117940138687).

1105622210561 is an equidigital number, since it uses as much as digits as its factorization.

1105622210561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096333 (or 5096311 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 1105622210561 its reverse (1650122265011), we get a palindrome (2755744475572).

The spelling of 1105622210561 in words is "one trillion, one hundred five billion, six hundred twenty-two million, two hundred ten thousand, five hundred sixty-one".