1108813809256 has 8 divisors (see below), whose sum is σ = 2079025892370. Its totient is φ = 554406904624.

The previous prime is 1108813809253. The next prime is 1108813809269. The reversal of 1108813809256 is 6529083188011.

It can be written as a sum of positive squares in only one way, i.e., 1016197060356 + 92616748900 = 1008066^2 + 304330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1108813809253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69300863071 + ... + 69300863086.

Almost surely, 2^{1108813809256} is an apocalyptic number.

It is an amenable number.

1108813809256 is a deficient number, since it is larger than the sum of its proper divisors (970212083114).

1108813809256 is a wasteful number, since it uses less digits than its factorization.

1108813809256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138601726163 (or 138601726159 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 1108813809256 in words is "one trillion, one hundred eight billion, eight hundred thirteen million, eight hundred nine thousand, two hundred fifty-six".