61110055506 has 8 divisors (see below), whose sum is σ = 122220111024. Its totient is φ = 20370018500.

The previous prime is 61110055481. The next prime is 61110055561. The reversal of 61110055506 is 60555001116.

61110055506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61110055506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092504620 + ... + 5092504631.

It is an arithmetic number, because the mean of its divisors is an integer number (15277513878).

Almost surely, 2^61110055506 is an apocalyptic number.

61110055506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61110055506 is a wasteful number, since it uses less digits than its factorization.

61110055506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185009256.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 61110055506 in words is "sixty-one billion, one hundred ten million, fifty-five thousand, five hundred six".