201641551013 has 32 divisors (see below), whose sum is σ = 241094860800. Its totient is φ = 165034200384.

The previous prime is 201641551003. The next prime is 201641551021. The reversal of 201641551013 is 310155146102.

It is a cyclic number.

It is not a de Polignac number, because 201641551013 - 2⁴ = 201641550997 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 (201641551003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9264698 + ... + 9286436.

It is an arithmetic number, because the mean of its divisors is an integer number (7534214400).

Almost surely, 2^201641551013 is an apocalyptic number.

It is an amenable number.

201641551013 is a deficient number, since it is larger than the sum of its proper divisors (39453309787).

201641551013 is a wasteful number, since it uses less digits than its factorization.

201641551013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22449.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 201641551013 its reverse (310155146102), we get a palindrome (511796697115).

The spelling of 201641551013 in words is "two hundred one billion, six hundred forty-one million, five hundred fifty-one thousand, thirteen".