320411555001 has 12 divisors (see below), whose sum is σ = 462985575780. Its totient is φ = 213529756320.

The previous prime is 320411554999. The next prime is 320411555041. The reversal of 320411555001 is 100555114023.

320411555001 is a `hidden beast` number, since 3 + 2 + 0 + 4 + 1 + 155 + 500 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 98875658025 + 221535896976 = 314445^2 + 470676^2 .

It is not a de Polignac number, because 320411555001 - 2¹ = 320411554999 is a prime.

It is a super-2 number, since 2×320411555001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320411555041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6469546 + ... + 6518883.

It is an arithmetic number, because the mean of its divisors is an integer number (38582131315).

Almost surely, 2^320411555001 is an apocalyptic number.

It is an amenable number.

320411555001 is a deficient number, since it is larger than the sum of its proper divisors (142574020779).

320411555001 is a wasteful number, since it uses less digits than its factorization.

320411555001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12991176 (or 12991173 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 320411555001 its reverse (100555114023), we get a palindrome (420966669024).

The spelling of 320411555001 in words is "three hundred twenty billion, four hundred eleven million, five hundred fifty-five thousand, one".