411521112 has 96 divisors (see below), whose sum is σ = 1145664000. Its totient is φ = 133398720.

The previous prime is 411521101. The next prime is 411521119. The reversal of 411521112 is 211125114.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411521119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403339 + ... + 404357.

It is an arithmetic number, because the mean of its divisors is an integer number (11934000).

Almost surely, 2^411521112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411521112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572832000).

411521112 is an abundant number, since it is smaller than the sum of its proper divisors (734142888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

411521112 is a wasteful number, since it uses less digits than its factorization.

411521112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1174 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 411521112 is about 20285.9831410755. The cubic root of 411521112 is about 743.8134721435.

Adding to 411521112 its reverse (211125114), we get a palindrome (622646226).

The spelling of 411521112 in words is "four hundred eleven million, five hundred twenty-one thousand, one hundred twelve".