1115896320 has 960 divisors, whose sum is σ = 5239593216. Its totient is φ = 212336640.

The previous prime is 1115896319. The next prime is 1115896349. The reversal of 1115896320 is 236985111.

1115896320 is a `hidden beast` number, since 1 + 1 + 15 + 8 + 9 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30159342 + ... + 30159378.

Almost surely, 2^1115896320 is an apocalyptic number.

1115896320 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 1115896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619796608).

1115896320 is an abundant number, since it is smaller than the sum of its proper divisors (4123696896).

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

1115896320 is a wasteful number, since it uses less digits than its factorization.

1115896320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1115896320 is about 33405.0343511274. The cubic root of 1115896320 is about 1037.2289149012.

The spelling of 1115896320 in words is "one billion, one hundred fifteen million, eight hundred ninety-six thousand, three hundred twenty".