110661605012 has 12 divisors (see below), whose sum is σ = 221323210080. Its totient is φ = 47426402136.

The previous prime is 110661604979. The next prime is 110661605027. The reversal of 110661605012 is 210506166011.

110661605012 is an admirable number.

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, 1976100062 + ... + 1976100117.

It is an arithmetic number, because the mean of its divisors is an integer number (18443600840).

Almost surely, 2^110661605012 is an apocalyptic number.

It is an amenable number.

110661605012 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.

110661605012 is a wasteful number, since it uses less digits than its factorization.

110661605012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952200190 (or 3952200188 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 110661605012 in words is "one hundred ten billion, six hundred sixty-one million, six hundred five thousand, twelve".