61328112200 has 96 divisors (see below), whose sum is σ = 147285216000. Its totient is φ = 23724153600.

The previous prime is 61328112161. The next prime is 61328112217. The reversal of 61328112200 is 221182316.

It is a super-2 number, since 2×61328112200² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61328112200.

It is an unprimeable number.

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, 14499686 + ... + 14503914.

It is an arithmetic number, because the mean of its divisors is an integer number (1534221000).

Almost surely, 2^61328112200 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 61328112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73642608000).

61328112200 is an abundant number, since it is smaller than the sum of its proper divisors (85957103800).

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

61328112200 is a wasteful number, since it uses less digits than its factorization.

61328112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615 (or 6606 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 61328112200 its reverse (221182316), we get a palindrome (61549294516).

The spelling of 61328112200 in words is "sixty-one billion, three hundred twenty-eight million, one hundred twelve thousand, two hundred".