325573378655 has 16 divisors (see below), whose sum is σ = 472765377600. Its totient is φ = 210117944832.

The previous prime is 325573378619. The next prime is 325573378657. The reversal of 325573378655 is 556873375523.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 325573378655 - 2¹⁰ = 325573377631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325573378594 and 325573378603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325573378657) 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 15 ways as a sum of consecutive naturals, for example, 273590480 + ... + 273591669.

It is an arithmetic number, because the mean of its divisors is an integer number (29547836100).

Almost surely, 2^325573378655 is an apocalyptic number.

325573378655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

325573378655 is a deficient number, since it is larger than the sum of its proper divisors (147191998945).

325573378655 is a wasteful number, since it uses less digits than its factorization.

325573378655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547182178.

The product of its digits is 79380000, while the sum is 59.

The spelling of 325573378655 in words is "three hundred twenty-five billion, five hundred seventy-three million, three hundred seventy-eight thousand, six hundred fifty-five".