1118118680 has 64 divisors (see below), whose sum is σ = 2942058240. Its totient is φ = 374435712.

The previous prime is 1118118671. The next prime is 1118118689. The reversal of 1118118680 is 868118111.

It is an interprime number because it is at equal distance from previous prime (1118118671) and next prime (1118118689).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1118118680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118118689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34394 + ... + 58473.

It is an arithmetic number, because the mean of its divisors is an integer number (45969660).

Almost surely, 2^1118118680 is an apocalyptic number.

1118118680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118118680 is an abundant number, since it is smaller than the sum of its proper divisors (1823939560).

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

1118118680 is a wasteful number, since it uses less digits than its factorization.

1118118680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92928 (or 92924 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 35.

The square root of 1118118680 is about 33438.2816544152. The cubic root of 1118118680 is about 1037.9170216919.

The spelling of 1118118680 in words is "one billion, one hundred eighteen million, one hundred eighteen thousand, six hundred eighty".