111650661000560 has 80 divisors (see below), whose sum is σ = 283213383228000. Its totient is φ = 40596411448320.

The previous prime is 111650661000533. The next prime is 111650661000583. The reversal of 111650661000560 is 65000166056111.

It is a tau number, because it is divible by the number of its divisors (80).

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, 3362066 + ... + 15316814.

It is an arithmetic number, because the mean of its divisors is an integer number (3540167290350).

Almost surely, 2^{111650661000560} is an apocalyptic number.

111650661000560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111650661000560 is an abundant number, since it is smaller than the sum of its proper divisors (171562722227440).

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

111650661000560 is a wasteful number, since it uses less digits than its factorization.

111650661000560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965386 (or 11965380 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 111650661000560 in words is "one hundred eleven trillion, six hundred fifty billion, six hundred sixty-one million, five hundred sixty", and thus it is an aban number.