1165505424 has 20 divisors (see below), whose sum is σ = 3010889136. Its totient is φ = 388501792.

The previous prime is 1165505413. The next prime is 1165505449. The reversal of 1165505424 is 4245055611.

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 3 ways as a sum of consecutive naturals, for example, 12140634 + ... + 12140729.

Almost surely, 2^1165505424 is an apocalyptic number.

It is an amenable number.

1165505424 is an abundant number, since it is smaller than the sum of its proper divisors (1845383712).

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

1165505424 is a wasteful number, since it uses less digits than its factorization.

1165505424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24281374 (or 24281368 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1165505424 is about 34139.4994690901. The cubic root of 1165505424 is about 1052.3772062197.

The spelling of 1165505424 in words is "one billion, one hundred sixty-five million, five hundred five thousand, four hundred twenty-four".