206311525041 has 4 divisors (see below), whose sum is σ = 275082033392. Its totient is φ = 137541016692.

The previous prime is 206311525001. The next prime is 206311525087. The reversal of 206311525041 is 140525113602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 206311525041 - 2⁶ = 206311524977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206311525001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34385254171 + ... + 34385254176.

It is an arithmetic number, because the mean of its divisors is an integer number (68770508348).

Almost surely, 2^206311525041 is an apocalyptic number.

It is an amenable number.

206311525041 is a deficient number, since it is larger than the sum of its proper divisors (68770508351).

206311525041 is an equidigital number, since it uses as much as digits as its factorization.

206311525041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68770508350.

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

Adding to 206311525041 its reverse (140525113602), we get a palindrome (346836638643).

The spelling of 206311525041 in words is "two hundred six billion, three hundred eleven million, five hundred twenty-five thousand, forty-one".