201541540013 has 8 divisors (see below), whose sum is σ = 225805755360. Its totient is φ = 178267700880.

The previous prime is 201541539977. The next prime is 201541540073. The reversal of 201541540013 is 310045145102.

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 201541540013 - 2⁸ = 201541539757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201541540073) 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, 247593623 + ... + 247594436.

It is an arithmetic number, because the mean of its divisors is an integer number (28225719420).

Almost surely, 2^201541540013 is an apocalyptic number.

It is an amenable number.

201541540013 is a deficient number, since it is larger than the sum of its proper divisors (24264215347).

201541540013 is a wasteful number, since it uses less digits than its factorization.

201541540013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495188107.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 201541540013 its reverse (310045145102), we get a palindrome (511586685115).

The spelling of 201541540013 in words is "two hundred one billion, five hundred forty-one million, five hundred forty thousand, thirteen".