61506010060 has 96 divisors (see below), whose sum is σ = 141756088320. Its totient is φ = 22231065600.

The previous prime is 61506010057. The next prime is 61506010103. The reversal of 61506010060 is 6001060516.

61506010060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 48088501 + ... + 48089779.

It is an arithmetic number, because the mean of its divisors is an integer number (1476625920).

Almost surely, 2^61506010060 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 61506010060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70878044160).

61506010060 is an abundant number, since it is smaller than the sum of its proper divisors (80250078260).

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

61506010060 is a wasteful number, since it uses less digits than its factorization.

61506010060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 61506010060 its reverse (6001060516), we get a palindrome (67507070576).

The spelling of 61506010060 in words is "sixty-one billion, five hundred six million, ten thousand, sixty".