120356660056 has 16 divisors (see below), whose sum is σ = 225705387600. Its totient is φ = 60168556704.

The previous prime is 120356660051. The next prime is 120356660143. The reversal of 120356660056 is 650066653021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120356660051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169196 + ... + 1267963.

It is an arithmetic number, because the mean of its divisors is an integer number (14106586725).

Almost surely, 2^120356660056 is an apocalyptic number.

It is an amenable number.

120356660056 is a deficient number, since it is larger than the sum of its proper divisors (105348727544).

120356660056 is a wasteful number, since it uses less digits than its factorization.

120356660056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443338 (or 2443334 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 120356660056 in words is "one hundred twenty billion, three hundred fifty-six million, six hundred sixty thousand, fifty-six".