1111180080 has 40 divisors (see below), whose sum is σ = 3444658992. Its totient is φ = 296314624.

The previous prime is 1111180079. The next prime is 1111180093. The reversal of 1111180080 is 800811111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2314719 + ... + 2315198.

Almost surely, 2^1111180080 is an apocalyptic number.

1111180080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111180080 is an abundant number, since it is smaller than the sum of its proper divisors (2333478912).

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

1111180080 is a wasteful number, since it uses less digits than its factorization.

1111180080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629933 (or 4629927 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 21.

The square root of 1111180080 is about 33334.3678506133. The cubic root of 1111180080 is about 1035.7655984452.

Adding to 1111180080 its reverse (800811111), we get a palindrome (1911991191).

The spelling of 1111180080 in words is "one billion, one hundred eleven million, one hundred eighty thousand, eighty".