61110560056 has 64 divisors (see below), whose sum is σ = 147155904000. Its totient is φ = 23124486528.

The previous prime is 61110560011. The next prime is 61110560057. The reversal of 61110560056 is 65006501116.

61110560056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61110560057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1808106 + ... + 1841593.

It is an arithmetic number, because the mean of its divisors is an integer number (2299311000).

Almost surely, 2^61110560056 is an apocalyptic number.

It is an amenable number.

61110560056 is an abundant number, since it is smaller than the sum of its proper divisors (86045343944).

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

61110560056 is a wasteful number, since it uses less digits than its factorization.

61110560056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649748 (or 3649744 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 61110560056 in words is "sixty-one billion, one hundred ten million, five hundred sixty thousand, fifty-six".