201013545685 has 8 divisors (see below), whose sum is σ = 243926550360. Its totient is φ = 159003972864.

The previous prime is 201013545673. The next prime is 201013545709. The reversal of 201013545685 is 586545310102.

It can be written as a sum of positive squares in 4 ways, for example, as 46110690756 + 154902854929 = 214734^2 + 393577^2 .

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 201013545685 - 2¹³ = 201013537493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225857472 + ... + 225858361.

It is an arithmetic number, because the mean of its divisors is an integer number (30490818795).

Almost surely, 2^201013545685 is an apocalyptic number.

It is an amenable number.

201013545685 is a deficient number, since it is larger than the sum of its proper divisors (42913004675).

201013545685 is an equidigital number, since it uses as much as digits as its factorization.

201013545685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451715927.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 201013545685 its reverse (586545310102), we get a palindrome (787558855787).

The spelling of 201013545685 in words is "two hundred one billion, thirteen million, five hundred forty-five thousand, six hundred eighty-five".