411020422521 has 16 divisors (see below), whose sum is σ = 580278461184. Its totient is φ = 257888795904.

The previous prime is 411020422507. The next prime is 411020422529. The reversal of 411020422521 is 125224020114.

It is not a de Polignac number, because 411020422521 - 2¹⁵ = 411020389753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 411020422491 and 411020422500.

It is not an unprimeable number, because it can be changed into a prime (411020422529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2811591 + ... + 2954163.

It is an arithmetic number, because the mean of its divisors is an integer number (36267403824).

Almost surely, 2^411020422521 is an apocalyptic number.

It is an amenable number.

411020422521 is a deficient number, since it is larger than the sum of its proper divisors (169258038663).

411020422521 is a wasteful number, since it uses less digits than its factorization.

411020422521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199120.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 411020422521 its reverse (125224020114), we get a palindrome (536244442635).

The spelling of 411020422521 in words is "four hundred eleven billion, twenty million, four hundred twenty-two thousand, five hundred twenty-one".