1117815591168 has 108 divisors (see below), whose sum is σ = 3412522625148. Its totient is φ = 350687232000.

The previous prime is 1117815591133. The next prime is 1117815591223. The reversal of 1117815591168 is 8611955187111.

1117815591168 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 81 + 559 + 1 + 1 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 335991803904 + 781823787264 = 579648^2 + 884208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14230333 + ... + 14308668.

Almost surely, 2^{1117815591168} is an apocalyptic number.

1117815591168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1117815591168 is an abundant number, since it is smaller than the sum of its proper divisors (2294707033980).

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

1117815591168 is a wasteful number, since it uses less digits than its factorization.

1117815591168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28539040 (or 28539023 counting only the distinct ones).

The product of its digits is 604800, while the sum is 54.

The spelling of 1117815591168 in words is "one trillion, one hundred seventeen billion, eight hundred fifteen million, five hundred ninety-one thousand, one hundred sixty-eight".