3261562745560 has 128 divisors (see below), whose sum is σ = 8525867518080. Its totient is φ = 1099804704768.

The previous prime is 3261562745503. The next prime is 3261562745563. The reversal of 3261562745560 is 655472651623.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3261562745498 and 3261562745507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261562745563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6989304 + ... + 7441336.

It is an arithmetic number, because the mean of its divisors is an integer number (66608339985).

Almost surely, 2^{3261562745560} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261562745560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4262933759040).

3261562745560 is an abundant number, since it is smaller than the sum of its proper divisors (5264304772520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3261562745560 is a wasteful number, since it uses less digits than its factorization.

3261562745560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452477 (or 452473 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 3261562745560 in words is "three trillion, two hundred sixty-one billion, five hundred sixty-two million, seven hundred forty-five thousand, five hundred sixty".