325550575505 has 4 divisors (see below), whose sum is σ = 390660690612. Its totient is φ = 260440460400.

The previous prime is 325550575487. The next prime is 325550575583. The reversal of 325550575505 is 505575055523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 255719341969 + 69831233536 = 505687^2 + 264256^2 .

It is not a de Polignac number, because 325550575505 - 2¹⁶ = 325550509969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325550575505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32555057546 + ... + 32555057555.

It is an arithmetic number, because the mean of its divisors is an integer number (97665172653).

Almost surely, 2^325550575505 is an apocalyptic number.

It is an amenable number.

325550575505 is a deficient number, since it is larger than the sum of its proper divisors (65110115107).

325550575505 is an equidigital number, since it uses as much as digits as its factorization.

325550575505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65110115106.

The product of its (nonzero) digits is 3281250, while the sum is 47.

The spelling of 325550575505 in words is "three hundred twenty-five billion, five hundred fifty million, five hundred seventy-five thousand, five hundred five".