3555325220545 has 32 divisors (see below), whose sum is σ = 5088269311488. Its totient is φ = 2331756607488.

The previous prime is 3555325220533. The next prime is 3555325220561. The reversal of 3555325220545 is 5450225235553.

It is not a de Polignac number, because 3555325220545 - 2¹⁹ = 3555324696257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3555325220495 and 3555325220504.

It is an unprimeable number.

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, 10472607 + ... + 10806763.

It is an arithmetic number, because the mean of its divisors is an integer number (159008415984).

Almost surely, 2^{3555325220545} is an apocalyptic number.

3555325220545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3555325220545 is a deficient number, since it is larger than the sum of its proper divisors (1532944090943).

3555325220545 is a wasteful number, since it uses less digits than its factorization.

3555325220545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347409.

The product of its (nonzero) digits is 4500000, while the sum is 46.

The spelling of 3555325220545 in words is "three trillion, five hundred fifty-five billion, three hundred twenty-five million, two hundred twenty thousand, five hundred forty-five".