3221540504545 has 64 divisors (see below), whose sum is σ = 4503384864000. Its totient is φ = 2189827906560.

The previous prime is 3221540504473. The next prime is 3221540504587. The reversal of 3221540504545 is 5454050451223.

3221540504545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3221540504545 - 2⁹ = 3221540504033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221540504498 and 3221540504507.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11487406 + ... + 11764504.

It is an arithmetic number, because the mean of its divisors is an integer number (70365388500).

Almost surely, 2^{3221540504545} is an apocalyptic number.

It is an amenable number.

3221540504545 is a deficient number, since it is larger than the sum of its proper divisors (1281844359455).

3221540504545 is a wasteful number, since it uses less digits than its factorization.

3221540504545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277378.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 3221540504545 its reverse (5454050451223), we get a palindrome (8675590955768).

The spelling of 3221540504545 in words is "three trillion, two hundred twenty-one billion, five hundred forty million, five hundred four thousand, five hundred forty-five".