61110561112 has 16 divisors (see below), whose sum is σ = 118533416400. Its totient is φ = 29501650080.

The previous prime is 61110561059. The next prime is 61110561133. The reversal of 61110561112 is 21116501116.

61110561112 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131703564 + ... + 131704027.

It is an arithmetic number, because the mean of its divisors is an integer number (7408338525).

Almost surely, 2^61110561112 is an apocalyptic number.

It is an amenable number.

61110561112 is a deficient number, since it is larger than the sum of its proper divisors (57422855288).

61110561112 is a wasteful number, since it uses less digits than its factorization.

61110561112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263407626 (or 263407622 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 61110561112 in words is "sixty-one billion, one hundred ten million, five hundred sixty-one thousand, one hundred twelve".