3201564111041 has 4 divisors (see below), whose sum is σ = 3245421153732. Its totient is φ = 3157707068352.

The previous prime is 3201564110939. The next prime is 3201564111047. The reversal of 3201564111041 is 1401114651023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 787471660816 + 2414092450225 = 887396^2 + 1553735^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201564111041 - 2¹⁸ = 3201563848897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201564110995 and 3201564111013.

It is not an unprimeable number, because it can be changed into a prime (3201564111047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21928521236 + ... + 21928521381.

It is an arithmetic number, because the mean of its divisors is an integer number (811355288433).

Almost surely, 2^{3201564111041} is an apocalyptic number.

It is an amenable number.

3201564111041 is a deficient number, since it is larger than the sum of its proper divisors (43857042691).

3201564111041 is an equidigital number, since it uses as much as digits as its factorization.

3201564111041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43857042690.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 3201564111041 its reverse (1401114651023), we get a palindrome (4602678762064).

The spelling of 3201564111041 in words is "three trillion, two hundred one billion, five hundred sixty-four million, one hundred eleven thousand, forty-one".