1105565565012 has 48 divisors (see below), whose sum is σ = 2749084434432. Its totient is φ = 344999179360.

The previous prime is 1105565565001. The next prime is 1105565565031. The reversal of 1105565565012 is 2105655655011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42600564 + ... + 42626507.

It is an arithmetic number, because the mean of its divisors is an integer number (57272592384).

Almost surely, 2^{1105565565012} is an apocalyptic number.

1105565565012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105565565012 is an abundant number, since it is smaller than the sum of its proper divisors (1643518869420).

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

1105565565012 is a wasteful number, since it uses less digits than its factorization.

1105565565012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85227148 (or 85227146 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 1105565565012 in words is "one trillion, one hundred five billion, five hundred sixty-five million, five hundred sixty-five thousand, twelve".