206532010051 has 4 divisors (see below), whose sum is σ = 206536648392. Its totient is φ = 206527371712.

The previous prime is 206532009949. The next prime is 206532010127. The reversal of 206532010051 is 150010235602.

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

It is a cyclic number.

It is not a de Polignac number, because 206532010051 - 2²³ = 206523621443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206532009998 and 206532010025.

It is not an unprimeable number, because it can be changed into a prime (206532010151) 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, 2251726 + ... + 2341651.

It is an arithmetic number, because the mean of its divisors is an integer number (51634162098).

Almost surely, 2^206532010051 is an apocalyptic number.

206532010051 is a deficient number, since it is larger than the sum of its proper divisors (4638341).

206532010051 is an equidigital number, since it uses as much as digits as its factorization.

206532010051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638340.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 206532010051 its reverse (150010235602), we get a palindrome (356542245653).

The spelling of 206532010051 in words is "two hundred six billion, five hundred thirty-two million, ten thousand, fifty-one".