111105610605616 has 20 divisors (see below), whose sum is σ = 234836858780424. Its totient is φ = 50502550275200.

The previous prime is 111105610605541. The next prime is 111105610605631. The reversal of 111105610605616 is 616506016501111.

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, 315640939045 + ... + 315640939396.

Almost surely, 2^{111105610605616} is an apocalyptic number.

111105610605616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111105610605616 is an abundant number, since it is smaller than the sum of its proper divisors (123731248174808).

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

111105610605616 is a wasteful number, since it uses less digits than its factorization.

111105610605616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631281878460 (or 631281878454 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 111105610605616 in words is "one hundred eleven trillion, one hundred five billion, six hundred ten million, six hundred five thousand, six hundred sixteen".