411120145521 has 24 divisors (see below), whose sum is σ = 598172649984. Its totient is φ = 272083724640.

The previous prime is 411120145519. The next prime is 411120145529. The reversal of 411120145521 is 125541021114.

411120145521 is a `hidden beast` number, since 4 + 1 + 1 + 1 + 201 + 455 + 2 + 1 = 666.

It is not a de Polignac number, because 411120145521 - 2¹ = 411120145519 is a prime.

It is a super-2 number, since 2×411120145521² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (411120145529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408240 + ... + 1674926.

It is an arithmetic number, because the mean of its divisors is an integer number (24923860416).

Almost surely, 2^411120145521 is an apocalyptic number.

It is an amenable number.

411120145521 is a deficient number, since it is larger than the sum of its proper divisors (187052504463).

411120145521 is a wasteful number, since it uses less digits than its factorization.

411120145521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267941 (or 267938 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 411120145521 its reverse (125541021114), we get a palindrome (536661166635).

The spelling of 411120145521 in words is "four hundred eleven billion, one hundred twenty million, one hundred forty-five thousand, five hundred twenty-one".