65411225380 has 72 divisors (see below), whose sum is σ = 146217960000. Its totient is φ = 24574969344.

The previous prime is 65411225377. The next prime is 65411225389. The reversal of 65411225380 is 8352211456.

It is a super-2 number, since 2×65411225380² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65411225389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2872881 + ... + 2895559.

It is an arithmetic number, because the mean of its divisors is an integer number (2030805000).

Almost surely, 2^65411225380 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 65411225380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73108980000).

65411225380 is an abundant number, since it is smaller than the sum of its proper divisors (80806734620).

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

65411225380 is a wasteful number, since it uses less digits than its factorization.

65411225380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23221 (or 23202 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 65411225380 in words is "sixty-five billion, four hundred eleven million, two hundred twenty-five thousand, three hundred eighty".