1118741387656 has 48 divisors (see below), whose sum is σ = 2150545028940. Its totient is φ = 545598168960.

The previous prime is 1118741387653. The next prime is 1118741387707. The reversal of 1118741387656 is 6567831478111.

It can be written as a sum of positive squares in 2 ways, for example, as 1083785102500 + 34956285156 = 1041050^2 + 186966^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1118741387656.

It is not an unprimeable number, because it can be changed into a prime (1118741387651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5069866 + ... + 5285926.

Almost surely, 2^{1118741387656} is an apocalyptic number.

It is an amenable number.

1118741387656 is a deficient number, since it is larger than the sum of its proper divisors (1031803641284).

1118741387656 is a wasteful number, since it uses less digits than its factorization.

1118741387656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216454 (or 216403 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 58.

The spelling of 1118741387656 in words is "one trillion, one hundred eighteen billion, seven hundred forty-one million, three hundred eighty-seven thousand, six hundred fifty-six".