2110536561 has 16 divisors (see below), whose sum is σ = 3224169344. Its totient is φ = 1202978304.

The previous prime is 2110536559. The next prime is 2110536569. The reversal of 2110536561 is 1656350112.

It is not a de Polignac number, because 2110536561 - 2¹ = 2110536559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110536569) 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 15 ways as a sum of consecutive naturals, for example, 118240 + ... + 134913.

It is an arithmetic number, because the mean of its divisors is an integer number (201510584).

Almost surely, 2^2110536561 is an apocalyptic number.

2110536561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2110536561 is a deficient number, since it is larger than the sum of its proper divisors (1113632783).

2110536561 is a wasteful number, since it uses less digits than its factorization.

2110536561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253560.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2110536561 is about 45940.5764112729. The cubic root of 2110536561 is about 1282.7173231953.

Adding to 2110536561 its reverse (1656350112), we get a palindrome (3766886673).

The spelling of 2110536561 in words is "two billion, one hundred ten million, five hundred thirty-six thousand, five hundred sixty-one".