61052550720 has 224 divisors, whose sum is σ = 228680564736. Its totient is φ = 13504665600.

The previous prime is 61052550719. The next prime is 61052550731. The reversal of 61052550720 is 2705525016.

61052550720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61785 + ... + 354855.

Almost surely, 2^61052550720 is an apocalyptic number.

61052550720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61052550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114340282368).

61052550720 is an abundant number, since it is smaller than the sum of its proper divisors (167628014016).

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

61052550720 is a wasteful number, since it uses less digits than its factorization.

61052550720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293129 (or 293119 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 61052550720 in words is "sixty-one billion, fifty-two million, five hundred fifty thousand, seven hundred twenty".