1118180080 has 20 divisors (see below), whose sum is σ = 2599768872. Its totient is φ = 447272000.

The previous prime is 1118180033. The next prime is 1118180093. The reversal of 1118180080 is 800818111.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6988546 + ... + 6988705.

Almost surely, 2^1118180080 is an apocalyptic number.

1118180080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118180080 is an abundant number, since it is smaller than the sum of its proper divisors (1481588792).

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

1118180080 is a wasteful number, since it uses less digits than its factorization.

1118180080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13977264 (or 13977258 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 28.

The square root of 1118180080 is about 33439.1997511902. The cubic root of 1118180080 is about 1037.9360199550.

Adding to 1118180080 its reverse (800818111), we get a palindrome (1918998191).

The spelling of 1118180080 in words is "one billion, one hundred eighteen million, one hundred eighty thousand, eighty".