206525120961 has 8 divisors (see below), whose sum is σ = 280034062560. Its totient is φ = 135349796672.

The previous prime is 206525120917. The next prime is 206525120969. The reversal of 206525120961 is 169021525602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206525120961 - 2⁷ = 206525120833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206525120969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583404120 + ... + 583404473.

It is an arithmetic number, because the mean of its divisors is an integer number (35004257820).

Almost surely, 2^206525120961 is an apocalyptic number.

It is an amenable number.

206525120961 is a deficient number, since it is larger than the sum of its proper divisors (73508941599).

206525120961 is a wasteful number, since it uses less digits than its factorization.

206525120961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166808655.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 206525120961 in words is "two hundred six billion, five hundred twenty-five million, one hundred twenty thousand, nine hundred sixty-one".