110665640512 has 56 divisors (see below), whose sum is σ = 256313781504. Its totient is φ = 46419013632.

The previous prime is 110665640497. The next prime is 110665640513. The reversal of 110665640512 is 215046566011.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (110665640513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606833 + ... + 2648944.

Almost surely, 2^110665640512 is an apocalyptic number.

It is an amenable number.

110665640512 is an abundant number, since it is smaller than the sum of its proper divisors (145648140992).

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

110665640512 is an equidigital number, since it uses as much as digits as its factorization.

110665640512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255843 (or 5255833 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 110665640512 in words is "one hundred ten billion, six hundred sixty-five million, six hundred forty thousand, five hundred twelve".