1115004880 has 40 divisors (see below), whose sum is σ = 2828060064. Its totient is φ = 405456000.

The previous prime is 1115004871. The next prime is 1115004901. The reversal of 1115004880 is 884005111.

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

It is a congruent number.

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, 632646 + ... + 634405.

Almost surely, 2^1115004880 is an apocalyptic number.

1115004880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115004880 is an abundant number, since it is smaller than the sum of its proper divisors (1713055184).

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

1115004880 is a wasteful number, since it uses less digits than its factorization.

1115004880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267075 (or 1267069 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 1115004880 is about 33391.6887862833. The cubic root of 1115004880 is about 1036.9526426194.

Adding to 1115004880 its reverse (884005111), we get a palindrome (1999009991).

The spelling of 1115004880 in words is "one billion, one hundred fifteen million, four thousand, eight hundred eighty".