206231525440201 has 4 divisors (see below), whose sum is σ = 206234988026004. Its totient is φ = 206228062854400.

The previous prime is 206231525440181. The next prime is 206231525440211. The reversal of 206231525440201 is 102044525132602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186402770643600 + 19828754796601 = 13652940^2 + 4452949^2 .

It is a cyclic number.

It is not a de Polignac number, because 206231525440201 - 2¹¹ = 206231525438153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206231525440211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731203560 + ... + 1731322681.

It is an arithmetic number, because the mean of its divisors is an integer number (51558747006501).

Almost surely, 2^{206231525440201} is an apocalyptic number.

It is an amenable number.

206231525440201 is a deficient number, since it is larger than the sum of its proper divisors (3462585803).

206231525440201 is an equidigital number, since it uses as much as digits as its factorization.

206231525440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462585802.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 206231525440201 in words is "two hundred six trillion, two hundred thirty-one billion, five hundred twenty-five million, four hundred forty thousand, two hundred one".