201541605361 has 8 divisors (see below), whose sum is σ = 205839028224. Its totient is φ = 197244570240.

The previous prime is 201541605359. The next prime is 201541605383. The reversal of 201541605361 is 163506145102.

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 201541605361 - 2¹ = 201541605359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201541605301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112961 + ... + 1281313.

It is an arithmetic number, because the mean of its divisors is an integer number (25729878528).

Almost surely, 2^201541605361 is an apocalyptic number.

It is an amenable number.

201541605361 is a deficient number, since it is larger than the sum of its proper divisors (4297422863).

201541605361 is a wasteful number, since it uses less digits than its factorization.

201541605361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193871.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 201541605361 in words is "two hundred one billion, five hundred forty-one million, six hundred five thousand, three hundred sixty-one".