325278885505 has 16 divisors (see below), whose sum is σ = 447684303744. Its totient is φ = 222254605440.

The previous prime is 325278885487. The next prime is 325278885563. The reversal of 325278885505 is 505588872523.

It is not a de Polignac number, because 325278885505 - 2¹⁷ = 325278754433 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 325278885505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16526967 + ... + 16546636.

It is an arithmetic number, because the mean of its divisors is an integer number (27980268984).

Almost surely, 2^325278885505 is an apocalyptic number.

325278885505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

325278885505 is a deficient number, since it is larger than the sum of its proper divisors (122405418239).

325278885505 is a wasteful number, since it uses less digits than its factorization.

325278885505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33073896.

The product of its (nonzero) digits is 26880000, while the sum is 58.

The spelling of 325278885505 in words is "three hundred twenty-five billion, two hundred seventy-eight million, eight hundred eighty-five thousand, five hundred five".