1118045855668 has 24 divisors (see below), whose sum is σ = 2263032580032. Its totient is φ = 473389466304.

The previous prime is 1118045855657. The next prime is 1118045855681. The reversal of 1118045855668 is 8665585408111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240541105 + ... + 240545752.

It is an arithmetic number, because the mean of its divisors is an integer number (94293024168).

Almost surely, 2^{1118045855668} is an apocalyptic number.

It is an amenable number.

1118045855668 is an abundant number, since it is smaller than the sum of its proper divisors (1144986724364).

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

1118045855668 is a wasteful number, since it uses less digits than its factorization.

1118045855668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481086951 (or 481086949 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 58.

The spelling of 1118045855668 in words is "one trillion, one hundred eighteen billion, forty-five million, eight hundred fifty-five thousand, six hundred sixty-eight".