1108900042056 has 40 divisors (see below), whose sum is σ = 3105946878870. Its totient is φ = 369633347136.

The previous prime is 1108900042051. The next prime is 1108900042073. The reversal of 1108900042056 is 6502400098011.

It can be written as a sum of positive squares in only one way, i.e., 1077381720900 + 31518321156 = 1037970^2 + 177534^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1108900042056.

It is not an unprimeable number, because it can be changed into a prime (1108900042051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 855632101 + ... + 855633396.

Almost surely, 2^{1108900042056} is an apocalyptic number.

It is an amenable number.

1108900042056 is an abundant number, since it is smaller than the sum of its proper divisors (1997046836814).

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

1108900042056 is a wasteful number, since it uses less digits than its factorization.

1108900042056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711265515 (or 1711265502 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 1108900042056 in words is "one trillion, one hundred eight billion, nine hundred million, forty-two thousand, fifty-six".