61055506122 has 64 divisors (see below), whose sum is σ = 132809698560. Its totient is φ = 18600067584.

The previous prime is 61055506073. The next prime is 61055506123. The reversal of 61055506122 is 22160555016.

61055506122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61055506123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22503438 + ... + 22506150.

It is an arithmetic number, because the mean of its divisors is an integer number (2075151540).

Almost surely, 2^61055506122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61055506122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66404849280).

61055506122 is an abundant number, since it is smaller than the sum of its proper divisors (71754192438).

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

61055506122 is a wasteful number, since it uses less digits than its factorization.

61055506122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 61055506122 in words is "sixty-one billion, fifty-five million, five hundred six thousand, one hundred twenty-two".