3201564105255 has 16 divisors (see below), whose sum is σ = 5122749471840. Its totient is φ = 1707418555008.

The previous prime is 3201564105251. The next prime is 3201564105269. The reversal of 3201564105255 is 5525014651023.

It is not a de Polignac number, because 3201564105255 - 2² = 3201564105251 is a prime.

It is a super-3 number, since 3×3201564105255³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201564105251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4821592 + ... + 5445261.

It is an arithmetic number, because the mean of its divisors is an integer number (320171841990).

Almost surely, 2^{3201564105255} is an apocalyptic number.

3201564105255 is a deficient number, since it is larger than the sum of its proper divisors (1921185366585).

3201564105255 is a wasteful number, since it uses less digits than its factorization.

3201564105255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287650.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 3201564105255 its reverse (5525014651023), we get a palindrome (8726578756278).

The spelling of 3201564105255 in words is "three trillion, two hundred one billion, five hundred sixty-four million, one hundred five thousand, two hundred fifty-five".