3253105203561 has 12 divisors (see below), whose sum is σ = 4775961374340. Its totient is φ = 2133183739680.

The previous prime is 3253105203547. The next prime is 3253105203563. The reversal of 3253105203561 is 1653025013523.

3253105203561 is a `hidden beast` number, since 3 + 253 + 1 + 0 + 52 + 0 + 356 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1454059752336 + 1799045451225 = 1205844^2 + 1341285^2 .

It is not a de Polignac number, because 3253105203561 - 2¹¹ = 3253105201513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3253105203563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2962754646 + ... + 2962755743.

It is an arithmetic number, because the mean of its divisors is an integer number (397996781195).

Almost surely, 2^{3253105203561} is an apocalyptic number.

It is an amenable number.

3253105203561 is a deficient number, since it is larger than the sum of its proper divisors (1522856170779).

3253105203561 is a wasteful number, since it uses less digits than its factorization.

3253105203561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925510456 (or 5925510453 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 3253105203561 in words is "three trillion, two hundred fifty-three billion, one hundred five million, two hundred three thousand, five hundred sixty-one".