61010855224 has 96 divisors (see below), whose sum is σ = 130739212800. Its totient is φ = 26642721600.

The previous prime is 61010855207. The next prime is 61010855231. The reversal of 61010855224 is 42255801016.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61010855224.

It is a congruent number.

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, 4163799 + ... + 4178425.

It is an arithmetic number, because the mean of its divisors is an integer number (1361866800).

Almost surely, 2^61010855224 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 61010855224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65369606400).

61010855224 is an abundant number, since it is smaller than the sum of its proper divisors (69728357576).

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

61010855224 is a wasteful number, since it uses less digits than its factorization.

61010855224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14825 (or 14810 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 61010855224 in words is "sixty-one billion, ten million, eight hundred fifty-five thousand, two hundred twenty-four".