326420560511 has 8 divisors (see below), whose sum is σ = 326616617040. Its totient is φ = 326224559808.

The previous prime is 326420560489. The next prime is 326420560589. The reversal of 326420560511 is 115065024623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 326420560511 - 2²² = 326416366207 is a prime.

It is a super-2 number, since 2×326420560511² (a number of 24 digits) contains 22 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 (326420520511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18066200 + ... + 18084258.

It is an arithmetic number, because the mean of its divisors is an integer number (40827077130).

Almost surely, 2^326420560511 is an apocalyptic number.

326420560511 is a deficient number, since it is larger than the sum of its proper divisors (196056529).

326420560511 is a wasteful number, since it uses less digits than its factorization.

326420560511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27913.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 326420560511 in words is "three hundred twenty-six billion, four hundred twenty million, five hundred sixty thousand, five hundred eleven".