325405044551 has 4 divisors (see below), whose sum is σ = 335901981504. Its totient is φ = 314908107600.

The previous prime is 325405044533. The next prime is 325405044577. The reversal of 325405044551 is 155440504523.

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

It is a cyclic number.

It is not a de Polignac number, because 325405044551 - 2¹⁰ = 325405043527 is a prime.

It is a super-3 number, since 3×325405044551³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325405040551) 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 3 ways as a sum of consecutive naturals, for example, 5248468430 + ... + 5248468491.

It is an arithmetic number, because the mean of its divisors is an integer number (83975495376).

Almost surely, 2^325405044551 is an apocalyptic number.

325405044551 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

325405044551 is a deficient number, since it is larger than the sum of its proper divisors (10496936953).

325405044551 is a wasteful number, since it uses less digits than its factorization.

325405044551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496936952.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 325405044551 in words is "three hundred twenty-five billion, four hundred five million, forty-four thousand, five hundred fifty-one".