1152005544 has 64 divisors (see below), whose sum is σ = 3388262400. Its totient is φ = 361412352.

The previous prime is 1152005501. The next prime is 1152005551. The reversal of 1152005544 is 4455002511.

1152005544 is a `hidden beast` number, since 115 + 2 + 0 + 0 + 5 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

1152005544 is a modest number, since divided by 5544 gives 1152 as remainder.

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 15 ways as a sum of consecutive naturals, for example, 153192 + ... + 160535.

It is an arithmetic number, because the mean of its divisors is an integer number (52941600).

Almost surely, 2^1152005544 is an apocalyptic number.

It is an amenable number.

1152005544 is an abundant number, since it is smaller than the sum of its proper divisors (2236256856).

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

1152005544 is a wasteful number, since it uses less digits than its factorization.

1152005544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313759 (or 313749 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1152005544 is about 33941.2071676892. The cubic root of 1152005544 is about 1048.2982393233.

The spelling of 1152005544 in words is "one billion, one hundred fifty-two million, five thousand, five hundred forty-four".