65411120 has 40 divisors (see below), whose sum is σ = 152534880. Its totient is φ = 26086400.

The previous prime is 65411119. The next prime is 65411123. The reversal of 65411120 is 2111456.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×65411120² = 8557229239308800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 65411092 and 65411101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65411123) 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 7 ways as a sum of consecutive naturals, for example, 31061 + ... + 33099.

It is an arithmetic number, because the mean of its divisors is an integer number (3813372).

Almost surely, 2^65411120 is an apocalyptic number.

It is an amenable number.

65411120 is an abundant number, since it is smaller than the sum of its proper divisors (87123760).

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

65411120 is a wasteful number, since it uses less digits than its factorization.

65411120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 65411120 is about 8087.7141393598. The cubic root of 65411120 is about 402.9184876200.

Adding to 65411120 its reverse (2111456), we get a palindrome (67522576).

The spelling of 65411120 in words is "sixty-five million, four hundred eleven thousand, one hundred twenty".