1185325056 has 224 divisors, whose sum is σ = 3680277120. Its totient is φ = 376307712.

The previous prime is 1185325039. The next prime is 1185325069. The reversal of 1185325056 is 6505235811.

It is a happy number.

1185325056 is a `hidden beast` number, since 118 + 5 + 32 + 505 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1185325056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5087116 + ... + 5087348.

Almost surely, 2^1185325056 is an apocalyptic number.

1185325056 is a gapful number since it is divisible by the number (16) 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 1185325056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840138560).

1185325056 is an abundant number, since it is smaller than the sum of its proper divisors (2494952064).

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

1185325056 is an equidigital number, since it uses as much as digits as its factorization.

1185325056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1185325056 is about 34428.5500130342. The cubic root of 1185325056 is about 1058.3089971684.

The spelling of 1185325056 in words is "one billion, one hundred eighty-five million, three hundred twenty-five thousand, fifty-six".