206531542110 has 256 divisors, whose sum is σ = 536043847680. Its totient is φ = 50835755520.

The previous prime is 206531542093. The next prime is 206531542121. The reversal of 206531542110 is 11245135602.

206531542110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 319213807 + ... + 319214453.

It is an arithmetic number, because the mean of its divisors is an integer number (2093921280).

Almost surely, 2^206531542110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206531542110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268021923840).

206531542110 is an abundant number, since it is smaller than the sum of its proper divisors (329512305570).

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

206531542110 is a wasteful number, since it uses less digits than its factorization.

206531542110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 206531542110 its reverse (11245135602), we get a palindrome (217776677712).

The spelling of 206531542110 in words is "two hundred six billion, five hundred thirty-one million, five hundred forty-two thousand, one hundred ten".