1115336880 has 240 divisors, whose sum is σ = 4397200704. Its totient is φ = 248002560.

The previous prime is 1115336857. The next prime is 1115336891. The reversal of 1115336880 is 886335111.

1115336880 is a `hidden beast` number, since 111 + 533 + 6 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183490 + ... + 189470.

Almost surely, 2^1115336880 is an apocalyptic number.

1115336880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115336880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198600352).

1115336880 is an abundant number, since it is smaller than the sum of its proper divisors (3281863824).

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

1115336880 is a wasteful number, since it uses less digits than its factorization.

1115336880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044 (or 6035 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1115336880 is about 33396.6597132108. The cubic root of 1115336880 is about 1037.0555522179.

The spelling of 1115336880 in words is "one billion, one hundred fifteen million, three hundred thirty-six thousand, eight hundred eighty".